From 2e7b3560817faa6171e56c2f69b28e5e2e64863d Mon Sep 17 00:00:00 2001
From: Rasmus Kaj <kaj@kth.se>
Date: Mon, 21 Mar 2022 00:18:53 +0100
Subject: [PATCH] Update color format.

Sass-spec (and, presumably, dart-sass) just changed how
it decides what format to show a color in.  Try to follow.

https://github.com/sass/sass-spec/pull/1780
---
 CHANGELOG.md                                  |   4 +-
 src/parser/value.rs                           |  31 +-
 src/sass/functions/color/hsl.rs               |  67 +-
 src/sass/functions/color/other.rs             |   8 +-
 src/sass/functions/color/rgb.rs               |  22 +-
 src/value/colors/convert.rs                   |   9 +-
 src/value/colors/hsla.rs                      |  44 ++
 src/value/colors/mod.rs                       |  52 +-
 src/value/colors/rgba.rs                      | 161 +++-
 src/value/mod.rs                              |   2 +-
 src/variablescope.rs                          |   4 +-
 tests/basic_manual.rs                         |   2 +-
 .../color/hsl/four_args/alpha.rs              |  20 +-
 .../color/hsl/four_args/clamped.rs            |  10 +-
 .../color/hsl/four_args/in_gamut.rs           |   8 +-
 .../core_functions/color/hsl/one_arg/alpha.rs |  20 +-
 .../color/hsl/one_arg/no_alpha.rs             |  22 +-
 .../color/hsl/three_args/clamped.rs           |   8 +-
 .../color/hsl/three_args/named.rs             |   2 +-
 .../color/hsl/three_args/units.rs             |  16 +-
 .../color/hsl/three_args/w3c.rs               | 282 +++----
 tests/spec/core_functions/color/hsla.rs       |   8 +-
 .../color/rgb/four_args/alpha.rs              |   8 +-
 .../color/rgb/four_args/clamped.rs            |   2 +-
 .../color/rgb/four_args/in_gamut.rs           |   2 +-
 .../core_functions/color/rgb/one_arg/alpha.rs |   6 +-
 .../color/rgb/one_arg/no_alpha.rs             |  28 +-
 .../color/rgb/three_args/percents.rs          |  14 +-
 .../color/rgb/three_args/unitless.rs          |  14 +-
 tests/spec/core_functions/color/rgba.rs       |   4 +-
 tests/spec/core_functions/meta/call.rs        |  14 +-
 tests/spec/core_functions/modules/meta.rs     |   2 +-
 tests/spec/libsass/bourbon.rs                 |   4 +-
 .../spec/libsass/color_functions/rgb/rgb/b.rs | 722 +++++++++---------
 .../spec/libsass/color_functions/rgb/rgb/g.rs | 722 +++++++++---------
 .../spec/libsass/color_functions/rgb/rgb/r.rs | 722 +++++++++---------
 .../libsass/color_functions/rgb/rgba/a.rs     |   6 +-
 .../libsass/color_functions/rgb/rgba/b.rs     | 722 +++++++++---------
 .../libsass/color_functions/rgb/rgba/g.rs     | 722 +++++++++---------
 .../libsass/color_functions/rgb/rgba/r.rs     | 722 +++++++++---------
 tests/spec/libsass/test.rs                    |   6 +-
 .../spec/libsass_closed_issues/issue_1332.rs  |   4 +-
 tests/spec/main.rs                            |   2 +-
 .../basic/t21_one_builtin_function.rs         |   4 +-
 .../basic/t22_colors_with_alpha.rs            |   8 +-
 tests/spec/non_conformant/colors/basic.rs     |   4 +-
 tests/spec/non_conformant/scss/alpha.rs       |   8 +-
 .../spec/non_conformant/scss/color_output.rs  |  16 +-
 .../values/colors/alpha_hex/initial_digit.rs  |   4 +-
 .../values/colors/alpha_hex/initial_letter.rs |   4 +-
 50 files changed, 2753 insertions(+), 2545 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb67e6145..72f9ed115 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,8 +33,10 @@ project adheres to
   paths (PR #132).
 * Detect `@import` loops.
 * Report undefined variable / module errors better.
+* Update color formatting.  Sass-spec changed how it decides what
+  format to show a color in (PR #135).
 * Enable clippy in CI and fix some things it complained about (PR #128).
-* Update sass-spec test suite to 2022-03-09.
+* Update sass-spec test suite to 2022-03-17.
 
 
 ## Release 0.23.4
diff --git a/src/parser/value.rs b/src/parser/value.rs
index e94ecb5b2..d2c08265a 100644
--- a/src/parser/value.rs
+++ b/src/parser/value.rs
@@ -377,23 +377,26 @@ pub fn variable(input: Span) -> PResult<Value> {
 }
 
 fn hex_color(input: Span) -> PResult<Value> {
-    let (rest, rgba) = delimited(
+    let (rest, (r, g, b, a)) = delimited(
         tag("#"),
-        map(
-            alt((
-                tuple((hexchar2, hexchar2, hexchar2, opt(hexchar2))),
-                tuple((hexchar1, hexchar1, hexchar1, opt(hexchar1))),
-            )),
-            |(r, g, b, a): (u8, u8, u8, Option<u8>)| {
-                Rgba::from_rgba(r, g, b, a.unwrap_or(255))
-            },
-        ),
+        alt((
+            tuple((hexchar2, hexchar2, hexchar2, opt(hexchar2))),
+            tuple((hexchar1, hexchar1, hexchar1, opt(hexchar1))),
+        )),
         peek(map(not(alphanumeric1), |_| ())),
     )(input)?;
-    let length = input.fragment().len() - rest.fragment().len();
-    // Unwrap should be ok as only ascii is matched.
-    let raw = from_utf8(&input.fragment()[0..length]).unwrap().to_string();
-    Ok((rest, Value::Color(rgba, Some(raw))))
+
+    if let Some(a) = a {
+        let rgba = Rgba::from_rgba(r, g, b, a);
+        Ok((rest, Value::Color(rgba, None)))
+    } else {
+        let rgba = Rgba::from_rgb(r, g, b);
+        let length = input.fragment().len() - rest.fragment().len();
+        // Unwrap should be ok as only ascii is matched.
+        let raw =
+            from_utf8(&input.fragment()[0..length]).unwrap().to_string();
+        Ok((rest, Value::Color(rgba, Some(raw))))
+    }
 }
 
 pub fn unary_op(input: Span) -> PResult<Value> {
diff --git a/src/sass/functions/color/hsl.rs b/src/sass/functions/color/hsl.rs
index 9f3b2d294..f671390a5 100644
--- a/src/sass/functions/color/hsl.rs
+++ b/src/sass/functions/color/hsl.rs
@@ -31,11 +31,9 @@ pub fn register(f: &mut Scope) {
     });
     def!(f, grayscale(color), |args| match args.get(&name!(color))? {
         Value::Color(col, _) => {
-            let hsla = col.to_hsla();
-            Ok(
-                Hsla::new(hsla.hue(), zero(), hsla.lum(), hsla.alpha())
-                    .into(),
-            )
+            let col = col.to_hsla();
+            Ok(Hsla::new(col.hue(), zero(), col.lum(), col.alpha(), false)
+                .into())
         }
         v @ Value::Numeric(..) => Ok(make_call("grayscale", vec![v])),
         v => Err(is_not(&v, "a color")).named(name!(color)),
@@ -66,17 +64,15 @@ pub fn expose(m: &Scope, global: &mut FunctionMap) {
     });
     def!(f, darken(color, amount), |s| {
         let col = get_color(s, "color")?;
-        let hsla = col.to_hsla();
-        let lum =
-            hsla.lum() - get_checked(s, name!(amount), check_pct_range)?;
-        Ok(Hsla::new(hsla.hue(), hsla.sat(), lum, hsla.alpha()).into())
+        let col = col.to_hsla();
+        let lum = col.lum() - get_checked(s, name!(amount), check_pct_range)?;
+        Ok(Hsla::new(col.hue(), col.sat(), lum, col.alpha(), false).into())
     });
     def!(f, desaturate(color, amount), |s| {
         let col = get_color(s, "color")?;
-        let hsla = col.to_hsla();
-        let sat =
-            hsla.sat() - get_checked(s, name!(amount), check_pct_range)?;
-        Ok(Hsla::new(hsla.hue(), sat, hsla.lum(), hsla.alpha()).into())
+        let col = col.to_hsla();
+        let sat = col.sat() - get_checked(s, name!(amount), check_pct_range)?;
+        Ok(Hsla::new(col.hue(), sat, col.lum(), col.alpha(), false).into())
     });
     def_va!(f, saturate(kwargs), |s| {
         let a1 = FormalArgs::new(vec![one_arg!(color), one_arg!(amount)]);
@@ -86,9 +82,9 @@ pub fn expose(m: &Scope, global: &mut FunctionMap) {
             Ok(s) => {
                 let col = get_color(&s, "color")?;
                 let sat = get_checked(&s, name!(amount), check_pct_range)?;
-                let hsla = col.to_hsla();
-                let sat = hsla.sat() + sat;
-                Ok(Hsla::new(hsla.hue(), sat, hsla.lum(), hsla.alpha())
+                let col = col.to_hsla();
+                let sat = col.sat() + sat;
+                Ok(Hsla::new(col.hue(), sat, col.lum(), col.alpha(), false)
                     .into())
             }
             Err(ArgsError::Missing(_)) => {
@@ -104,10 +100,9 @@ pub fn expose(m: &Scope, global: &mut FunctionMap) {
     });
     def!(f, lighten(color, amount), |s| {
         let col = get_color(s, "color")?;
-        let hsla = col.to_hsla();
-        let lum =
-            hsla.lum() + get_checked(s, name!(amount), check_pct_range)?;
-        Ok(Hsla::new(hsla.hue(), hsla.sat(), lum, hsla.alpha()).into())
+        let col = col.to_hsla();
+        let lum = col.lum() + get_checked(s, name!(amount), check_pct_range)?;
+        Ok(Hsla::new(col.hue(), col.sat(), lum, col.alpha(), false).into())
     });
     for (gname, lname) in &[
         (name!(adjust_hue), name!(adjust_hue)),
@@ -180,6 +175,7 @@ fn hsla_from_values(
             check_pct_opt(s).named(name!(saturation))?,
             check_pct_opt(l).named(name!(lightness))?,
             check_alpha(a).named(name!(alpha))?,
+            true, // ??
         )
         .into())
     }
@@ -206,27 +202,46 @@ fn check_pct_opt(v: Value) -> Result<Rational, String> {
 
 #[test]
 fn test_hsl_black() {
-    assert_eq!("black", do_evaluate(&[], b"hsl(17, 32%, 0%);"))
+    assert_eq!(
+        do_evaluate(&[], b"hsl(17, 32%, 0%);"),
+        "hsl(17deg, 32%, 0%)"
+    )
 }
 #[test]
 fn test_hsl_white() {
-    assert_eq!("white", do_evaluate(&[], b"hsl(300, 82%, 100%);"))
+    assert_eq!(
+        do_evaluate(&[], b"hsl(300, 82%, 100%);"),
+        "hsl(300deg, 82%, 100%)"
+    )
 }
 #[test]
 fn test_hsl_gray() {
-    assert_eq!("gray", do_evaluate(&[], b"hsl(300, 0%, 50%);"))
+    assert_eq!(
+        do_evaluate(&[], b"hsl(300, 0%, 50%);"),
+        "hsl(300deg, 0%, 50%)"
+    )
 }
 #[test]
 fn test_hsl_red() {
-    assert_eq!("#f7c9c9", do_evaluate(&[], b"hsl(0, 75%, 88%);"))
+    assert_eq!(
+        do_evaluate(&[], b"hsl(0, 75%, 88%);"),
+        "hsl(0deg, 75%, 88%)"
+    )
 }
 #[test]
 fn test_hsl_yellow() {
-    assert_eq!("#ffff42", do_evaluate(&[], b"hsl(60, 100%, 63%);"))
+    assert_eq!(
+        do_evaluate(&[], b"hsl(60, 100%, 63%);"),
+        "hsl(60deg, 100%, 63%)"
+    )
 }
+
 #[test]
 fn test_hsl_blue_magenta() {
-    assert_eq!("#6118aa", do_evaluate(&[], b"hsl(270, 75%, 38%);"))
+    assert_eq!(
+        do_evaluate(&[], b"hsl(270, 75%, 38%);"),
+        "hsl(270deg, 75%, 38%)"
+    )
 }
 
 #[cfg(test)]
diff --git a/src/sass/functions/color/other.rs b/src/sass/functions/color/other.rs
index b32fc0c8b..044b35faa 100644
--- a/src/sass/functions/color/other.rs
+++ b/src/sass/functions/color/other.rs
@@ -5,7 +5,7 @@ use super::{
     FunctionMap, Name,
 };
 use crate::css::{CallArgs, Value};
-use crate::value::{Hsla, Hwba, Rational, Rgba};
+use crate::value::{Hsla, Hwba, Rational, RgbFormat, Rgba};
 use crate::Scope;
 use num_traits::{one, zero, Signed};
 
@@ -44,6 +44,7 @@ pub fn register(f: &mut Scope) {
                 opt_add(rgba.green(), gre),
                 opt_add(rgba.blue(), blu),
                 opt_add(rgba.alpha(), a_adj),
+                rgba.source(),
             )
             .into())
         } else if bla.is_some() || whi.is_some() {
@@ -63,6 +64,7 @@ pub fn register(f: &mut Scope) {
                 opt_add(hsla.sat(), sat),
                 opt_add(hsla.lum(), lig),
                 opt_add(hsla.alpha(), a_adj),
+                hsla.hsla_format,
             )
             .into())
         }
@@ -107,6 +109,7 @@ pub fn register(f: &mut Scope) {
                 cmb(rgba.green(), gre, ff),
                 cmb(rgba.blue(), blu, ff),
                 cmb(rgba.alpha(), a_adj, one),
+                RgbFormat::Name,
             )
             .into())
         } else if bla.is_none() && whi.is_none() {
@@ -116,6 +119,7 @@ pub fn register(f: &mut Scope) {
                 cmb(hsla.sat(), sat, one),
                 cmb(hsla.lum(), lig, one),
                 cmb(hsla.alpha(), a_adj, one),
+                hsla.hsla_format,
             )
             .into())
         } else {
@@ -173,6 +177,7 @@ pub fn register(f: &mut Scope) {
                 gre.unwrap_or_else(|| rgba.green()),
                 blu.unwrap_or_else(|| rgba.blue()),
                 alp.unwrap_or_else(|| rgba.alpha()),
+                rgba.source(),
             )
             .into())
         } else if bla.is_none() && whi.is_none() {
@@ -182,6 +187,7 @@ pub fn register(f: &mut Scope) {
                 sat.unwrap_or_else(|| hsla.sat()),
                 lig.unwrap_or_else(|| hsla.lum()),
                 alp.unwrap_or_else(|| hsla.alpha()),
+                false, // hsla.hsla_format,
             )
             .into())
         } else {
diff --git a/src/sass/functions/color/rgb.rs b/src/sass/functions/color/rgb.rs
index 52e69ed26..5869232cd 100644
--- a/src/sass/functions/color/rgb.rs
+++ b/src/sass/functions/color/rgb.rs
@@ -6,7 +6,7 @@ use super::{
 };
 use crate::css::{CallArgs, Value};
 use crate::sass::{ArgsError, FormalArgs, Name};
-use crate::value::{Rational, Rgba};
+use crate::value::{Rational, RgbFormat, Rgba};
 use crate::{Scope, ScopeRef};
 use num_traits::{one, Zero};
 use std::convert::TryFrom;
@@ -52,6 +52,7 @@ pub fn register(f: &mut Scope) {
             m_c(a.green(), b.green()),
             m_c(a.blue(), b.blue()),
             a.alpha() * w + b.alpha() * (one - w),
+            RgbFormat::Name,
         )
         .into())
     });
@@ -66,6 +67,7 @@ pub fn register(f: &mut Scope) {
                     inv(rgba.green()),
                     inv(rgba.blue()),
                     rgba.alpha(),
+                    rgba.source(),
                 )
                 .into())
             }
@@ -150,6 +152,7 @@ fn do_rgba(fn_name: &Name, s: &ScopeRef) -> Result<Value, Error> {
                 } else {
                     let mut c = check_color(c).named(name!(color))?;
                     c.set_alpha(check_alpha(a).named(name!(alpha))?);
+                    c.reset_source();
                     Ok(c.into())
                 }
             }
@@ -185,6 +188,7 @@ fn rgba_from_values(
             check_channel(g).named(name!(green))?,
             check_channel(b).named(name!(blue))?,
             check_alpha(a).named(name!(alpha))?,
+            RgbFormat::Rgb,
         )
         .into())
     }
@@ -196,19 +200,21 @@ mod test {
 
     #[test]
     fn test_high() {
-        assert_eq!("white", do_evaluate(&[], b"rgb(150%, 300, 256);"));
+        assert_eq!(
+            do_evaluate(&[], b"rgb(150%, 300, 256);"),
+            "rgb(255, 255, 255)"
+        );
     }
 
     #[test]
     fn test_low() {
-        assert_eq!("black", do_evaluate(&[], b"rgb(-3, -2%, 0);"));
+        assert_eq!(do_evaluate(&[], b"rgb(-3, -2%, 0);"), "rgb(0, 0, 0)");
     }
     #[test]
     fn test_mid() {
-        assert_eq!("gray", do_evaluate(&[], b"rgb(50%, 255/2, 25% + 25);"));
-    }
-    #[test]
-    fn test_named() {
-        assert_eq!("gray", do_evaluate(&[], b"rgb(50%, 255/2, 25% + 25);"));
+        assert_eq!(
+            do_evaluate(&[], b"rgb(50%, 255/2, 25% + 25);"),
+            "rgb(128, 128, 128)"
+        );
     }
 }
diff --git a/src/value/colors/convert.rs b/src/value/colors/convert.rs
index c4ee5f3cc..539a4b1b9 100644
--- a/src/value/colors/convert.rs
+++ b/src/value/colors/convert.rs
@@ -7,7 +7,7 @@ impl From<&Hsla> for Rgba {
         let lum = hsla.lum();
         if sat.is_zero() {
             let gray = lum * 255;
-            Rgba::new(gray, gray, gray, hsla.alpha())
+            Rgba::new(gray, gray, gray, hsla.alpha(), RgbFormat::Name)
         } else {
             fn hue2rgb(p: Rational, q: Rational, t: Rational) -> Rational {
                 let t = (t - t.floor()) * 6;
@@ -30,6 +30,7 @@ impl From<&Hsla> for Rgba {
                 hue2rgb(p, q, hue) * 255,
                 hue2rgb(p, q, hue - Rational::new(1, 3)) * 255,
                 hsla.alpha(),
+                RgbFormat::Name,
             )
         }
     }
@@ -51,7 +52,7 @@ impl From<&Hwba> for Hsla {
         } else {
             (Rational::one() - b - l) / std::cmp::min(l, Rational::one() - l)
         };
-        Hsla::new(hwba.hue(), s, l, hwba.alpha())
+        Hsla::new(hwba.hue(), s, l, hwba.alpha(), false)
     }
 }
 
@@ -62,7 +63,7 @@ impl From<&Rgba> for Hsla {
         let (max, min, largest) = max_min_largest(red, green, blue);
 
         if max == min {
-            Hsla::new(zero(), zero(), max, rgba.alpha())
+            Hsla::new(zero(), zero(), max, rgba.alpha(), false)
         } else {
             let d = max - min;
             let hue = match largest {
@@ -72,7 +73,7 @@ impl From<&Rgba> for Hsla {
             } * (360 / 6);
             let mm = max + min;
             let sat = d / if mm > one() { -mm + 2 } else { mm };
-            Hsla::new(hue, sat, mm / 2, rgba.alpha())
+            Hsla::new(hue, sat, mm / 2, rgba.alpha(), false)
         }
     }
 }
diff --git a/src/value/colors/hsla.rs b/src/value/colors/hsla.rs
index 1ad5091e1..e96ad9c44 100644
--- a/src/value/colors/hsla.rs
+++ b/src/value/colors/hsla.rs
@@ -1,5 +1,8 @@
 use super::{clamp, Rational};
+use crate::output::{Format, Formatted};
+use crate::value::Number;
 use num_traits::{one, zero, Signed};
+use std::fmt::{self, Display};
 
 /// A color defined by hue, saturation, luminance, and alpha.
 #[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
@@ -8,6 +11,7 @@ pub struct Hsla {
     sat: Rational,
     lum: Rational,
     alpha: Rational,
+    pub(crate) hsla_format: bool,
 }
 
 impl Hsla {
@@ -17,12 +21,14 @@ impl Hsla {
         sat: Rational,
         lum: Rational,
         alpha: Rational,
+        hsla_format: bool,
     ) -> Hsla {
         Hsla {
             hue: deg_mod(hue),
             sat: clamp(sat, zero(), one()),
             lum: clamp(lum, zero(), one()),
             alpha: clamp(alpha, zero(), one()),
+            hsla_format,
         }
     }
 
@@ -50,6 +56,17 @@ impl Hsla {
     pub fn set_alpha(&mut self, alpha: Rational) {
         self.alpha = clamp(alpha, zero(), one())
     }
+    pub(crate) fn reset_source(&mut self) {
+        self.hsla_format = false;
+    }
+
+    /// Get a reference to this `Value` bound to an output format.
+    pub fn format(&self, format: Format) -> Formatted<Self> {
+        Formatted {
+            value: self,
+            format,
+        }
+    }
 }
 
 /// Value is an angle in degrees, return same angle, but 0 <= value < 360.x
@@ -62,3 +79,30 @@ fn deg_mod(value: Rational) -> Rational {
         value
     }
 }
+
+impl<'a> Display for Formatted<'a, Hsla> {
+    fn fmt(&self, out: &mut fmt::Formatter) -> fmt::Result {
+        // The byte-version of alpha is not used here.
+        let hsla = self.value;
+        let a = hsla.alpha;
+        if a >= one() {
+            write!(
+                out,
+                "hsl({}deg, {}%, {}%)",
+                hsla.hue,
+                hsla.sat * 100,
+                hsla.lum * 100
+            )
+        } else {
+            let a = Number::from(a);
+            write!(
+                out,
+                "hsla({}deg, {}%, {}%, {})",
+                hsla.hue,
+                hsla.sat * 100,
+                hsla.lum * 100,
+                a.format(self.format)
+            )
+        }
+    }
+}
diff --git a/src/value/colors/mod.rs b/src/value/colors/mod.rs
index ffcbfd021..25332d523 100644
--- a/src/value/colors/mod.rs
+++ b/src/value/colors/mod.rs
@@ -6,8 +6,8 @@ mod rgba;
 
 pub use self::hsla::Hsla;
 pub use self::hwba::Hwba;
-pub use self::rgba::Rgba;
-use super::{Number, Rational};
+pub use self::rgba::{RgbFormat, Rgba};
+use super::Rational;
 use crate::output::{Format, Formatted};
 use num_traits::{one, zero, One, Zero};
 use std::borrow::Cow;
@@ -90,6 +90,7 @@ impl Color {
                     hsla.sat(),
                     hsla.lum(),
                     hsla.alpha(),
+                    hsla.hsla_format,
                 )
                 .into()
             }
@@ -98,6 +99,7 @@ impl Color {
                 hsla.sat(),
                 hsla.lum(),
                 hsla.alpha(),
+                hsla.hsla_format,
             )
             .into(),
             Color::Hwba(hwba) => Hwba::new(
@@ -109,6 +111,13 @@ impl Color {
             .into(),
         }
     }
+    pub(crate) fn reset_source(&mut self) {
+        match self {
+            Color::Rgba(rgba) => rgba.reset_source(),
+            Color::Hsla(hsla) => hsla.reset_source(),
+            _ => (),
+        }
+    }
     /// Get a reference to this `Value` bound to an output format.
     pub fn format(&self, format: Format) -> Formatted<Self> {
         Formatted {
@@ -147,41 +156,12 @@ fn clamp(v: Rational, min: Rational, max: Rational) -> Rational {
 
 impl<'a> Display for Formatted<'a, Color> {
     fn fmt(&self, out: &mut fmt::Formatter) -> fmt::Result {
-        // The byte-version of alpha is not used here.
-        let rgba = self.value.to_rgba();
-        let (r, g, b, _a) = rgba.to_bytes();
-        let a = self.value.get_alpha();
-        if a >= Rational::one() {
-            // E.g. #ff00cc can be written #f0c in css.
-            // 0xff / 0x11 = 0xf.
-            let short = r % 0x11 == 0 && g % 0x11 == 0 && b % 0x11 == 0;
-            let hex_len = if short { 4 } else { 7 };
-            if let Some(name) = rgba.name() {
-                if !(self.format.is_compressed() && name.len() > hex_len) {
-                    return name.fmt(out);
-                }
+        match self.value {
+            Color::Rgba(rgba) => rgba.format(self.format).fmt(out),
+            Color::Hsla(hsla) if hsla.hsla_format => {
+                hsla.format(self.format).fmt(out)
             }
-            if self.format.is_compressed() && short {
-                write!(out, "#{:x}{:x}{:x}", r / 0x11, g / 0x11, b / 0x11)
-            } else {
-                write!(out, "#{:02x}{:02x}{:02x}", r, g, b)
-            }
-        } else if self.format.is_compressed() && rgba.all_zero() {
-            write!(out, "transparent")
-        } else if self.format.is_compressed() {
-            // Note: libsass does not use the format for the alpha like this.
-            let a = Number::from(a);
-            write!(out, "rgba({},{},{},{})", r, g, b, a.format(self.format))
-        } else {
-            let a = Number::from(a);
-            write!(
-                out,
-                "rgba({}, {}, {}, {})",
-                r,
-                g,
-                b,
-                a.format(self.format)
-            )
+            any => any.to_rgba().format(self.format).fmt(out),
         }
     }
 }
diff --git a/src/value/colors/rgba.rs b/src/value/colors/rgba.rs
index ba0866f3b..ef00f490c 100644
--- a/src/value/colors/rgba.rs
+++ b/src/value/colors/rgba.rs
@@ -1,23 +1,47 @@
 //! Color names from <https://www.w3.org/TR/css3-color/>
 #![allow(clippy::unreadable_literal)]
 use super::Rational;
+use crate::output::{Format, Formatted};
+use crate::value::Number;
 use lazy_static::lazy_static;
-use num_traits::{one, One, Signed, Zero};
+use num_traits::{one, zero, One, Signed, Zero};
+use std::cmp::Ordering;
 use std::collections::BTreeMap;
+use std::fmt::{self, Display};
 use std::ops::{Add, Div, Sub};
 
 /// A color defined by red, green, blue, and alpha components.
-#[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
+#[derive(Clone, Debug)]
 pub struct Rgba {
     red: Rational,
     green: Rational,
     blue: Rational,
     alpha: Rational,
+    source: RgbFormat,
+}
+
+/// The source format of an rgb color.
+#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
+pub enum RgbFormat {
+    /// Six digit hexadecimal
+    LongHex,
+    /// Three digit hexadecimal
+    ShortHex,
+    /// A well-known named color
+    Name,
+    /// A rgb() or rgba() color specification
+    Rgb,
 }
 
 impl Rgba {
     /// Create a new rgba color.
-    pub fn new(r: Rational, g: Rational, b: Rational, a: Rational) -> Self {
+    pub fn new(
+        r: Rational,
+        g: Rational,
+        b: Rational,
+        a: Rational,
+        s: RgbFormat,
+    ) -> Self {
         let ff = Rational::new(255, 1);
         let one = Rational::one();
         Rgba {
@@ -25,6 +49,7 @@ impl Rgba {
             green: cap(g, &ff),
             blue: cap(b, &ff),
             alpha: cap(a, &one),
+            source: s,
         }
     }
     /// Create a color from rgb byte values.
@@ -34,6 +59,7 @@ impl Rgba {
             green: Rational::from_integer(g.into()),
             blue: Rational::from_integer(b.into()),
             alpha: Rational::one(),
+            source: RgbFormat::LongHex,
         }
     }
     /// Create a color from rgba byte values.
@@ -43,6 +69,7 @@ impl Rgba {
             green: Rational::from_integer(g.into()),
             blue: Rational::from_integer(b.into()),
             alpha: Rational::from_integer(a.into()) / 255,
+            source: RgbFormat::LongHex,
         }
     }
 
@@ -63,11 +90,23 @@ impl Rgba {
         let name = name.to_lowercase();
         let name: &str = &name;
         if name == "transparent" {
-            return Some(Self::from_rgba(0, 0, 0, 0));
+            return Some(Self::new(
+                zero(),
+                zero(),
+                zero(),
+                zero(),
+                RgbFormat::Name,
+            ));
         }
         LOOKUP.n2v.get(name).map(|n| {
             let [_, r, g, b] = n.to_be_bytes();
-            Self::from_rgb(r, g, b)
+            Self::new(
+                i64::from(r).into(),
+                i64::from(g).into(),
+                i64::from(b).into(),
+                one(),
+                RgbFormat::Name,
+            )
         })
     }
 
@@ -110,6 +149,46 @@ impl Rgba {
     pub fn set_alpha(&mut self, alpha: Rational) {
         self.alpha = cap(alpha, &one())
     }
+    /// Get the source type of this color.
+    pub(crate) fn source(&self) -> RgbFormat {
+        self.source
+    }
+    pub(crate) fn reset_source(&mut self) {
+        self.source = RgbFormat::Name;
+    }
+    /// Get a reference to this `Value` bound to an output format.
+    pub fn format(&self, format: Format) -> Formatted<Self> {
+        Formatted {
+            value: self,
+            format,
+        }
+    }
+}
+
+impl PartialEq for Rgba {
+    fn eq(&self, other: &Rgba) -> bool {
+        // ignores source!
+        self.red == other.red
+            && self.green == other.green
+            && self.blue == other.blue
+            && self.alpha == other.alpha
+    }
+}
+impl Eq for Rgba {}
+impl Ord for Rgba {
+    fn cmp(&self, other: &Rgba) -> Ordering {
+        // ignores source!
+        self.red
+            .cmp(&other.red)
+            .then_with(|| self.green.cmp(&other.green))
+            .then_with(|| self.blue.cmp(&other.blue))
+            .then_with(|| self.alpha.cmp(&other.alpha))
+    }
+}
+impl PartialOrd for Rgba {
+    fn partial_cmp(&self, other: &Rgba) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
 }
 
 fn cap(n: Rational, max: &Rational) -> Rational {
@@ -142,6 +221,7 @@ impl Add<Rational> for &Rgba {
             self.green + rhs,
             self.blue + rhs,
             self.alpha,
+            RgbFormat::Name,
         )
     }
 }
@@ -156,6 +236,7 @@ impl Add<&Rgba> for &Rgba {
             self.blue + rhs.blue,
             // TODO Sum or average the alpha?
             self.alpha + rhs.alpha,
+            RgbFormat::Name,
         )
     }
 }
@@ -169,6 +250,7 @@ impl<'a> Div<Rational> for &'a Rgba {
             self.green / rhs,
             self.blue / rhs,
             self.alpha,
+            self.source,
         )
     }
 }
@@ -183,6 +265,7 @@ impl<'a> Sub<Rational> for &'a Rgba {
             self.green - rhs,
             self.blue - rhs,
             self.alpha,
+            RgbFormat::Name,
         )
     }
 }
@@ -196,6 +279,7 @@ impl<'a> Sub<&'a Rgba> for &'a Rgba {
             self.green - rhs.green,
             self.blue - rhs.blue,
             (self.alpha + rhs.alpha) / 2,
+            RgbFormat::Name,
         )
     }
 }
@@ -389,3 +473,70 @@ lazy_static! {
         ("yellowgreen", 0x9acd32),
     ]);
 }
+
+impl<'a> Display for Formatted<'a, Rgba> {
+    fn fmt(&self, out: &mut fmt::Formatter) -> fmt::Result {
+        // The byte-version of alpha is not used here.
+        let rgba = self.value;
+        let (r, g, b, _a) = rgba.to_bytes();
+        let a = self.value.alpha;
+        if a >= Rational::one() {
+            // E.g. #ff00cc can be written #f0c in css.
+            // 0xff / 0x11 = 0xf.
+            let short = r % 0x11 == 0 && g % 0x11 == 0 && b % 0x11 == 0;
+            let hex_len = if short { 4 } else { 7 };
+            if self.format.is_compressed() {
+                if let Some(name) = rgba.name() {
+                    if name.len() <= hex_len {
+                        return name.fmt(out);
+                    }
+                }
+                if short {
+                    write!(out, "#{:x}{:x}{:x}", r / 0x11, g / 0x11, b / 0x11)
+                } else {
+                    write!(out, "#{:02x}{:02x}{:02x}", r, g, b)
+                }
+            } else {
+                match rgba.source {
+                    RgbFormat::LongHex => {
+                        write!(out, "#{:02x}{:02x}{:02x}", r, g, b)
+                    }
+                    RgbFormat::ShortHex => {
+                        write!(
+                            out,
+                            "#{:x}{:x}{:x}",
+                            r / 0x11,
+                            g / 0x11,
+                            b / 0x11
+                        )
+                    }
+                    RgbFormat::Name => {
+                        if let Some(name) = rgba.name() {
+                            return name.fmt(out);
+                        }
+                        write!(out, "#{:02x}{:02x}{:02x}", r, g, b)
+                    }
+                    RgbFormat::Rgb => {
+                        write!(out, "rgb({}, {}, {})", r, g, b)
+                    }
+                }
+            }
+        } else if self.format.is_compressed() && rgba.all_zero() {
+            write!(out, "transparent")
+        } else if self.format.is_compressed() {
+            // Note: libsass does not use the format for the alpha like this.
+            let a = Number::from(a);
+            write!(out, "rgba({},{},{},{})", r, g, b, a.format(self.format))
+        } else {
+            let a = Number::from(a);
+            write!(
+                out,
+                "rgba({}, {}, {}, {})",
+                r,
+                g,
+                b,
+                a.format(self.format)
+            )
+        }
+    }
+}
diff --git a/src/value/mod.rs b/src/value/mod.rs
index f07fa921e..877d5088a 100644
--- a/src/value/mod.rs
+++ b/src/value/mod.rs
@@ -9,7 +9,7 @@ mod range;
 mod unit;
 mod unitset;
 
-pub use self::colors::{Color, Hsla, Hwba, Rgba};
+pub use self::colors::{Color, Hsla, Hwba, RgbFormat, Rgba};
 pub use self::list_separator::ListSeparator;
 pub use self::number::{BadNumber, Number, Rational};
 pub use self::numeric::Numeric;
diff --git a/src/variablescope.rs b/src/variablescope.rs
index f56eb23ff..96d20480a 100644
--- a/src/variablescope.rs
+++ b/src/variablescope.rs
@@ -858,12 +858,12 @@ pub mod test {
 
     #[test]
     fn color_named_args() {
-        assert_expr!(b"rgb($blue: 3, $red: 1, $green: 2);", "#010203")
+        assert_expr!(b"rgb($blue: 3, $red: 1, $green: 2);", "rgb(1, 2, 3)")
     }
 
     #[test]
     fn color_mixed_args() {
-        assert_expr!(b"rgb(1, $blue: 3, $green: 2);", "#010203")
+        assert_expr!(b"rgb(1, $blue: 3, $green: 2);", "rgb(1, 2, 3)")
     }
 
     #[test]
diff --git a/tests/basic_manual.rs b/tests/basic_manual.rs
index 26628890c..202474374 100644
--- a/tests/basic_manual.rs
+++ b/tests/basic_manual.rs
@@ -367,7 +367,7 @@ mod issue_122 {
     fn reported() {
         check_value(
             "54A444/0+-4444M4#444/-4444/0+-4444M4#444+44/0+444/0+.44444O#444+44/0+4/46",
-            "InfinityA444-4444M4 black/0-4444M4 #444+Infinity+Infinity+0.44444O #444+Infinity+0.0869565217",
+            "InfinityA444-4444M4 #000000/0-4444M4 #444+Infinity+Infinity+0.44444O #444+Infinity+0.0869565217",
         )
     }
     /// https://github.com/kaj/rsass/issues/121 is very similar.
diff --git a/tests/spec/core_functions/color/hsl/four_args/alpha.rs b/tests/spec/core_functions/color/hsl/four_args/alpha.rs
index e232f21b7..55aeb86eb 100644
--- a/tests/spec/core_functions/color/hsl/four_args/alpha.rs
+++ b/tests/spec/core_functions/color/hsl/four_args/alpha.rs
@@ -14,7 +14,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 250%)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: hsl(0deg, 0%, 0%);\
          \n}\n"
         );
     }
@@ -23,7 +23,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 100%)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: hsl(0deg, 0%, 0%);\
          \n}\n"
         );
     }
@@ -32,7 +32,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 0%)}\n"),
             "a {\
-         \n  b: rgba(0, 0, 0, 0);\
+         \n  b: hsla(0deg, 0%, 0%, 0);\
          \n}\n"
         );
     }
@@ -41,7 +41,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, -10%)}\n"),
             "a {\
-         \n  b: rgba(0, 0, 0, 0);\
+         \n  b: hsla(0deg, 0%, 0%, 0);\
          \n}\n"
         );
     }
@@ -50,7 +50,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 45.6%)}\n"),
             "a {\
-         \n  b: rgba(0, 0, 0, 0.456);\
+         \n  b: hsla(0deg, 0%, 0%, 0.456);\
          \n}\n"
         );
     }
@@ -64,7 +64,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 250)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: hsl(0deg, 0%, 0%);\
          \n}\n"
         );
     }
@@ -73,7 +73,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 1)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: hsl(0deg, 0%, 0%);\
          \n}\n"
         );
     }
@@ -82,7 +82,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 0)}\n"),
             "a {\
-         \n  b: rgba(0, 0, 0, 0);\
+         \n  b: hsla(0deg, 0%, 0%, 0);\
          \n}\n"
         );
     }
@@ -91,7 +91,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, -10)}\n"),
             "a {\
-         \n  b: rgba(0, 0, 0, 0);\
+         \n  b: hsla(0deg, 0%, 0%, 0);\
          \n}\n"
         );
     }
@@ -100,7 +100,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: hsl(0, 0%, 0%, 0.456)}\n"),
             "a {\
-         \n  b: rgba(0, 0, 0, 0.456);\
+         \n  b: hsla(0deg, 0%, 0%, 0.456);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/hsl/four_args/clamped.rs b/tests/spec/core_functions/color/hsl/four_args/clamped.rs
index 6f15ce58f..9df3b3d80 100644
--- a/tests/spec/core_functions/color/hsl/four_args/clamped.rs
+++ b/tests/spec/core_functions/color/hsl/four_args/clamped.rs
@@ -14,16 +14,16 @@ mod alpha {
         assert_eq!(
             runner().ok("a {b: hsl(0, 100%, 50%, 1.1)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
     #[test]
     fn below() {
         assert_eq!(
-            runner().ok("a {b: rgba(0, 100%, 50%, -0.1)}\n"),
+            runner().ok("a {b: hsla(0, 100%, 50%, -0.1)}\n"),
             "a {\
-         \n  b: rgba(0, 255, 128, 0);\
+         \n  b: hsla(0deg, 100%, 50%, 0);\
          \n}\n"
         );
     }
@@ -33,7 +33,7 @@ fn blue() {
     assert_eq!(
         runner().ok("a {b: hsl(0, 100%, 9999%, 0.5)}\n"),
         "a {\
-         \n  b: rgba(255, 255, 255, 0.5);\
+         \n  b: hsla(0deg, 100%, 100%, 0.5);\
          \n}\n"
     );
 }
@@ -42,7 +42,7 @@ fn saturation() {
     assert_eq!(
         runner().ok("a {b: hsl(0, -0.1%, 50%, 0.5)}\n"),
         "a {\
-         \n  b: rgba(128, 128, 128, 0.5);\
+         \n  b: hsla(0deg, 0%, 50%, 0.5);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/hsl/four_args/in_gamut.rs b/tests/spec/core_functions/color/hsl/four_args/in_gamut.rs
index 57172420a..6c5cdde27 100644
--- a/tests/spec/core_functions/color/hsl/four_args/in_gamut.rs
+++ b/tests/spec/core_functions/color/hsl/four_args/in_gamut.rs
@@ -12,7 +12,7 @@ fn named() {
             "a {b: hsl($hue: 180, $saturation: 60%, $lightness: 50%, $alpha: 0.4)}\n"
         ),
         "a {\
-         \n  b: rgba(51, 204, 204, 0.4);\
+         \n  b: hsla(180deg, 60%, 50%, 0.4);\
          \n}\n"
     );
 }
@@ -21,7 +21,7 @@ fn opaque() {
     assert_eq!(
         runner().ok("a {b: hsl(180, 60%, 50%, 1)}\n"),
         "a {\
-         \n  b: #33cccc;\
+         \n  b: hsl(180deg, 60%, 50%);\
          \n}\n"
     );
 }
@@ -30,7 +30,7 @@ fn partial() {
     assert_eq!(
         runner().ok("a {b: hsl(180, 60%, 50%, 0.5)}\n"),
         "a {\
-         \n  b: rgba(51, 204, 204, 0.5);\
+         \n  b: hsla(180deg, 60%, 50%, 0.5);\
          \n}\n"
     );
 }
@@ -39,7 +39,7 @@ fn transparent() {
     assert_eq!(
         runner().ok("a {b: hsl(180, 60%, 50%, 0)}\n"),
         "a {\
-         \n  b: rgba(51, 204, 204, 0);\
+         \n  b: hsla(180deg, 60%, 50%, 0);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/hsl/one_arg/alpha.rs b/tests/spec/core_functions/color/hsl/one_arg/alpha.rs
index a9f4209ae..5c89fc5ae 100644
--- a/tests/spec/core_functions/color/hsl/one_arg/alpha.rs
+++ b/tests/spec/core_functions/color/hsl/one_arg/alpha.rs
@@ -18,7 +18,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: hsl(0 100% 50% / 1.1)}\n"),
                 "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
             );
         }
@@ -27,7 +27,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: hsl(0 100% 50% / -0.1)}\n"),
                 "a {\
-         \n  b: rgba(255, 0, 0, 0);\
+         \n  b: hsla(0deg, 100%, 50%, 0);\
          \n}\n"
             );
         }
@@ -37,7 +37,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: hsl(0 100% 9999% / 0.5)}\n"),
             "a {\
-         \n  b: rgba(255, 255, 255, 0.5);\
+         \n  b: hsla(0deg, 100%, 100%, 0.5);\
          \n}\n"
         );
     }
@@ -46,7 +46,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: hsl(0 -0.1% 50% / 0.5)}\n"),
             "a {\
-         \n  b: rgba(128, 128, 128, 0.5);\
+         \n  b: hsla(0deg, 0%, 50%, 0.5);\
          \n}\n"
         );
     }
@@ -60,7 +60,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: hsl($channels: 180 60% 50% / 0.4)}\n"),
             "a {\
-         \n  b: rgba(51, 204, 204, 0.4);\
+         \n  b: hsla(180deg, 60%, 50%, 0.4);\
          \n}\n"
         );
     }
@@ -69,7 +69,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: hsl(180 60% 50% / 1)}\n"),
             "a {\
-         \n  b: #33cccc;\
+         \n  b: hsl(180deg, 60%, 50%);\
          \n}\n"
         );
     }
@@ -81,7 +81,7 @@ mod in_gamut {
              \na {b: (hsl(180 60% 50% / 0.4))}\n"
         ),
         "a {\
-         \n  b: rgba(51, 204, 204, 0.4);\
+         \n  b: hsla(180deg, 60%, 50%, 0.4);\
          \n}\n"
     );
     }
@@ -90,7 +90,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: hsl(180 60% 50% / 0.5)}\n"),
             "a {\
-         \n  b: rgba(51, 204, 204, 0.5);\
+         \n  b: hsla(180deg, 60%, 50%, 0.5);\
          \n}\n"
         );
     }
@@ -99,7 +99,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: hsl(180 60% 50% / 0)}\n"),
             "a {\
-         \n  b: rgba(51, 204, 204, 0);\
+         \n  b: hsla(180deg, 60%, 50%, 0);\
          \n}\n"
         );
     }
@@ -110,7 +110,7 @@ fn slash_list() {
         runner().ok("@use \"sass:list\";\
              \na {b: hsl(list.slash(180 60% 50%, 0))}\n"),
         "a {\
-         \n  b: rgba(51, 204, 204, 0);\
+         \n  b: hsla(180deg, 60%, 50%, 0);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/hsl/one_arg/no_alpha.rs b/tests/spec/core_functions/color/hsl/one_arg/no_alpha.rs
index 219f7a5db..1e960a36f 100644
--- a/tests/spec/core_functions/color/hsl/one_arg/no_alpha.rs
+++ b/tests/spec/core_functions/color/hsl/one_arg/no_alpha.rs
@@ -18,7 +18,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: hsl(0 100% 500%)}\n"),
                 "a {\
-         \n  b: white;\
+         \n  b: hsl(0deg, 100%, 100%);\
          \n}\n"
             );
         }
@@ -27,7 +27,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: hsl(0 100% -100%)}\n"),
                 "a {\
-         \n  b: black;\
+         \n  b: hsl(0deg, 100%, 0%);\
          \n}\n"
             );
         }
@@ -41,7 +41,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: hsl(0 500% 50%)}\n"),
                 "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
             );
         }
@@ -50,7 +50,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: hsl(0 -100% 50%)}\n"),
                 "a {\
-         \n  b: gray;\
+         \n  b: hsl(0deg, 0%, 50%);\
          \n}\n"
             );
         }
@@ -65,7 +65,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: hsl(240 100% 50%)}\n"),
             "a {\
-         \n  b: blue;\
+         \n  b: hsl(240deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -78,7 +78,7 @@ mod in_gamut {
             assert_eq!(
                 runner().ok("a {b: hsl(60 60% 50%)}\n"),
                 "a {\
-         \n  b: #cccc33;\
+         \n  b: hsl(60deg, 60%, 50%);\
          \n}\n"
             );
         }
@@ -88,7 +88,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: hsl(0 100% 50%)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -98,7 +98,7 @@ fn named() {
     assert_eq!(
         runner().ok("a {b: hsl($channels: 0 100% 50%)}\n"),
         "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
     );
 }
@@ -115,7 +115,7 @@ mod units {
             assert_eq!(
                 runner().ok("a {b: hsl(0deg 100% 50%)}\n"),
                 "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
             );
         }
@@ -129,7 +129,7 @@ mod units {
             assert_eq!(
                 runner().ok("a {b: hsl(0 100% 50)}\n"),
                 "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
             );
         }
@@ -143,7 +143,7 @@ mod units {
             assert_eq!(
                 runner().ok("a {b: hsl(0 50 50%)}\n"),
                 "a {\
-         \n  b: #bf4040;\
+         \n  b: hsl(0deg, 50%, 50%);\
          \n}\n"
             );
         }
diff --git a/tests/spec/core_functions/color/hsl/three_args/clamped.rs b/tests/spec/core_functions/color/hsl/three_args/clamped.rs
index 94e9900d5..c2d5e6907 100644
--- a/tests/spec/core_functions/color/hsl/three_args/clamped.rs
+++ b/tests/spec/core_functions/color/hsl/three_args/clamped.rs
@@ -14,7 +14,7 @@ mod lightness {
         assert_eq!(
             runner().ok("a {b: hsl(0, 100%, 500%)}\n"),
             "a {\
-         \n  b: white;\
+         \n  b: hsl(0deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -23,7 +23,7 @@ mod lightness {
         assert_eq!(
             runner().ok("a {b: hsl(0, 100%, -100%)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: hsl(0deg, 100%, 0%);\
          \n}\n"
         );
     }
@@ -37,7 +37,7 @@ mod saturation {
         assert_eq!(
             runner().ok("a {b: hsl(0, 500%, 50%)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -46,7 +46,7 @@ mod saturation {
         assert_eq!(
             runner().ok("a {b: hsl(0, -100%, 50%)}\n"),
             "a {\
-         \n  b: gray;\
+         \n  b: hsl(0deg, 0%, 50%);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/hsl/three_args/named.rs b/tests/spec/core_functions/color/hsl/three_args/named.rs
index c20f430a1..fa01c2f19 100644
--- a/tests/spec/core_functions/color/hsl/three_args/named.rs
+++ b/tests/spec/core_functions/color/hsl/three_args/named.rs
@@ -11,7 +11,7 @@ fn test() {
         runner()
             .ok("a {b: hsl($hue: 0, $saturation: 100%, $lightness: 50%)}\n"),
         "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/hsl/three_args/units.rs b/tests/spec/core_functions/color/hsl/three_args/units.rs
index 011245b3c..60b60e835 100644
--- a/tests/spec/core_functions/color/hsl/three_args/units.rs
+++ b/tests/spec/core_functions/color/hsl/three_args/units.rs
@@ -14,7 +14,7 @@ mod hue {
         assert_eq!(
             runner().ok("a {b: hsl(60rad, 100%, 50%)}\n"),
             "a {\
-         \n  b: yellow;\
+         \n  b: hsl(60deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -23,7 +23,7 @@ mod hue {
         assert_eq!(
             runner().ok("a {b: hsl(0deg, 100%, 50%)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -32,7 +32,7 @@ mod hue {
         assert_eq!(
             runner().ok("a {b: hsl(60, 100%, 50%)}\n"),
             "a {\
-         \n  b: yellow;\
+         \n  b: hsl(60deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -41,7 +41,7 @@ mod hue {
         assert_eq!(
             runner().ok("a {b: hsl(60in, 100%, 50%)}\n"),
             "a {\
-         \n  b: yellow;\
+         \n  b: hsl(60deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -55,7 +55,7 @@ mod lightness {
         assert_eq!(
             runner().ok("a {b: hsl(0, 100%, 50)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -64,7 +64,7 @@ mod lightness {
         assert_eq!(
             runner().ok("a {b: hsl(0, 100%, 50in)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -78,7 +78,7 @@ mod saturation {
         assert_eq!(
             runner().ok("a {b: hsl(0, 50, 50%)}\n"),
             "a {\
-         \n  b: #bf4040;\
+         \n  b: hsl(0deg, 50%, 50%);\
          \n}\n"
         );
     }
@@ -87,7 +87,7 @@ mod saturation {
         assert_eq!(
             runner().ok("a {b: hsl(0, 50in, 50%)}\n"),
             "a {\
-         \n  b: #bf4040;\
+         \n  b: hsl(0deg, 50%, 50%);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/hsl/three_args/w3c.rs b/tests/spec/core_functions/color/hsl/three_args/w3c.rs
index 2e4375b38..52d16d1ef 100644
--- a/tests/spec/core_functions/color/hsl/three_args/w3c.rs
+++ b/tests/spec/core_functions/color/hsl/three_args/w3c.rs
@@ -26,17 +26,17 @@ mod black_to_white_through {
              \n  step-11: hsl(240, 100%, 100%);\
              \n}\n"),
             "a {\
-         \n  step-1: black;\
-         \n  step-2: #000033;\
-         \n  step-3: #000066;\
-         \n  step-4: #000099;\
-         \n  step-5: #0000cc;\
-         \n  step-6: blue;\
-         \n  step-7: #3333ff;\
-         \n  step-8: #6666ff;\
-         \n  step-9: #9999ff;\
-         \n  step-10: #ccccff;\
-         \n  step-11: white;\
+         \n  step-1: hsl(240deg, 100%, 0%);\
+         \n  step-2: hsl(240deg, 100%, 10%);\
+         \n  step-3: hsl(240deg, 100%, 20%);\
+         \n  step-4: hsl(240deg, 100%, 30%);\
+         \n  step-5: hsl(240deg, 100%, 40%);\
+         \n  step-6: hsl(240deg, 100%, 50%);\
+         \n  step-7: hsl(240deg, 100%, 60%);\
+         \n  step-8: hsl(240deg, 100%, 70%);\
+         \n  step-9: hsl(240deg, 100%, 80%);\
+         \n  step-10: hsl(240deg, 100%, 90%);\
+         \n  step-11: hsl(240deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -57,17 +57,17 @@ mod black_to_white_through {
              \n  step-11: hsl(180, 100%, 100%);\
              \n}\n"),
             "a {\
-         \n  step-1: black;\
-         \n  step-2: #003333;\
-         \n  step-3: #006666;\
-         \n  step-4: #009999;\
-         \n  step-5: #00cccc;\
-         \n  step-6: aqua;\
-         \n  step-7: #33ffff;\
-         \n  step-8: #66ffff;\
-         \n  step-9: #99ffff;\
-         \n  step-10: #ccffff;\
-         \n  step-11: white;\
+         \n  step-1: hsl(180deg, 100%, 0%);\
+         \n  step-2: hsl(180deg, 100%, 10%);\
+         \n  step-3: hsl(180deg, 100%, 20%);\
+         \n  step-4: hsl(180deg, 100%, 30%);\
+         \n  step-5: hsl(180deg, 100%, 40%);\
+         \n  step-6: hsl(180deg, 100%, 50%);\
+         \n  step-7: hsl(180deg, 100%, 60%);\
+         \n  step-8: hsl(180deg, 100%, 70%);\
+         \n  step-9: hsl(180deg, 100%, 80%);\
+         \n  step-10: hsl(180deg, 100%, 90%);\
+         \n  step-11: hsl(180deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -88,17 +88,17 @@ mod black_to_white_through {
              \n  step-11: hsl(120, 100%, 100%);\
              \n}\n"),
             "a {\
-         \n  step-1: black;\
-         \n  step-2: #003300;\
-         \n  step-3: #006600;\
-         \n  step-4: #009900;\
-         \n  step-5: #00cc00;\
-         \n  step-6: lime;\
-         \n  step-7: #33ff33;\
-         \n  step-8: #66ff66;\
-         \n  step-9: #99ff99;\
-         \n  step-10: #ccffcc;\
-         \n  step-11: white;\
+         \n  step-1: hsl(120deg, 100%, 0%);\
+         \n  step-2: hsl(120deg, 100%, 10%);\
+         \n  step-3: hsl(120deg, 100%, 20%);\
+         \n  step-4: hsl(120deg, 100%, 30%);\
+         \n  step-5: hsl(120deg, 100%, 40%);\
+         \n  step-6: hsl(120deg, 100%, 50%);\
+         \n  step-7: hsl(120deg, 100%, 60%);\
+         \n  step-8: hsl(120deg, 100%, 70%);\
+         \n  step-9: hsl(120deg, 100%, 80%);\
+         \n  step-10: hsl(120deg, 100%, 90%);\
+         \n  step-11: hsl(120deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -119,17 +119,17 @@ mod black_to_white_through {
              \n  step-11: hsl(300, 100%, 100%);\
              \n}\n"),
             "a {\
-         \n  step-1: black;\
-         \n  step-2: #330033;\
-         \n  step-3: #660066;\
-         \n  step-4: #990099;\
-         \n  step-5: #cc00cc;\
-         \n  step-6: fuchsia;\
-         \n  step-7: #ff33ff;\
-         \n  step-8: #ff66ff;\
-         \n  step-9: #ff99ff;\
-         \n  step-10: #ffccff;\
-         \n  step-11: white;\
+         \n  step-1: hsl(300deg, 100%, 0%);\
+         \n  step-2: hsl(300deg, 100%, 10%);\
+         \n  step-3: hsl(300deg, 100%, 20%);\
+         \n  step-4: hsl(300deg, 100%, 30%);\
+         \n  step-5: hsl(300deg, 100%, 40%);\
+         \n  step-6: hsl(300deg, 100%, 50%);\
+         \n  step-7: hsl(300deg, 100%, 60%);\
+         \n  step-8: hsl(300deg, 100%, 70%);\
+         \n  step-9: hsl(300deg, 100%, 80%);\
+         \n  step-10: hsl(300deg, 100%, 90%);\
+         \n  step-11: hsl(300deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -150,17 +150,17 @@ mod black_to_white_through {
              \n  step-11: hsl(0, 100%, 100%);\
              \n}\n"),
             "a {\
-         \n  step-1: black;\
-         \n  step-2: #330000;\
-         \n  step-3: #660000;\
-         \n  step-4: #990000;\
-         \n  step-5: #cc0000;\
-         \n  step-6: red;\
-         \n  step-7: #ff3333;\
-         \n  step-8: #ff6666;\
-         \n  step-9: #ff9999;\
-         \n  step-10: #ffcccc;\
-         \n  step-11: white;\
+         \n  step-1: hsl(0deg, 100%, 0%);\
+         \n  step-2: hsl(0deg, 100%, 10%);\
+         \n  step-3: hsl(0deg, 100%, 20%);\
+         \n  step-4: hsl(0deg, 100%, 30%);\
+         \n  step-5: hsl(0deg, 100%, 40%);\
+         \n  step-6: hsl(0deg, 100%, 50%);\
+         \n  step-7: hsl(0deg, 100%, 60%);\
+         \n  step-8: hsl(0deg, 100%, 70%);\
+         \n  step-9: hsl(0deg, 100%, 80%);\
+         \n  step-10: hsl(0deg, 100%, 90%);\
+         \n  step-11: hsl(0deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -181,17 +181,17 @@ mod black_to_white_through {
              \n  step-11: hsl(60, 100%, 100%);\
              \n}\n"),
             "a {\
-         \n  step-1: black;\
-         \n  step-2: #333300;\
-         \n  step-3: #666600;\
-         \n  step-4: #999900;\
-         \n  step-5: #cccc00;\
-         \n  step-6: yellow;\
-         \n  step-7: #ffff33;\
-         \n  step-8: #ffff66;\
-         \n  step-9: #ffff99;\
-         \n  step-10: #ffffcc;\
-         \n  step-11: white;\
+         \n  step-1: hsl(60deg, 100%, 0%);\
+         \n  step-2: hsl(60deg, 100%, 10%);\
+         \n  step-3: hsl(60deg, 100%, 20%);\
+         \n  step-4: hsl(60deg, 100%, 30%);\
+         \n  step-5: hsl(60deg, 100%, 40%);\
+         \n  step-6: hsl(60deg, 100%, 50%);\
+         \n  step-7: hsl(60deg, 100%, 60%);\
+         \n  step-8: hsl(60deg, 100%, 70%);\
+         \n  step-9: hsl(60deg, 100%, 80%);\
+         \n  step-10: hsl(60deg, 100%, 90%);\
+         \n  step-11: hsl(60deg, 100%, 100%);\
          \n}\n"
         );
     }
@@ -213,17 +213,17 @@ fn blue_to_red() {
              \n  step-11: hsl(360, 100%, 50%);\
              \n}\n"),
         "a {\
-         \n  step-1: blue;\
-         \n  step-2: #3300ff;\
-         \n  step-3: #6600ff;\
-         \n  step-4: #9900ff;\
-         \n  step-5: #cc00ff;\
-         \n  step-6: fuchsia;\
-         \n  step-7: #ff00cc;\
-         \n  step-8: #ff0099;\
-         \n  step-9: #ff0066;\
-         \n  step-10: #ff0033;\
-         \n  step-11: red;\
+         \n  step-1: hsl(240deg, 100%, 50%);\
+         \n  step-2: hsl(252deg, 100%, 50%);\
+         \n  step-3: hsl(264deg, 100%, 50%);\
+         \n  step-4: hsl(276deg, 100%, 50%);\
+         \n  step-5: hsl(288deg, 100%, 50%);\
+         \n  step-6: hsl(300deg, 100%, 50%);\
+         \n  step-7: hsl(312deg, 100%, 50%);\
+         \n  step-8: hsl(324deg, 100%, 50%);\
+         \n  step-9: hsl(336deg, 100%, 50%);\
+         \n  step-10: hsl(348deg, 100%, 50%);\
+         \n  step-11: hsl(0deg, 100%, 50%);\
          \n}\n"
     );
 }
@@ -240,9 +240,9 @@ mod gray_to {
              \n  step-3: hsl(240, 100%, 50%);\
              \n}\n"),
             "a {\
-         \n  step-1: #666699;\
-         \n  step-2: #3333cc;\
-         \n  step-3: blue;\
+         \n  step-1: hsl(240deg, 20%, 50%);\
+         \n  step-2: hsl(240deg, 60%, 50%);\
+         \n  step-3: hsl(240deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -255,9 +255,9 @@ mod gray_to {
              \n  step-3: hsl(180, 100%, 50%);\
              \n}\n"),
             "a {\
-         \n  step-1: #669999;\
-         \n  step-2: #33cccc;\
-         \n  step-3: aqua;\
+         \n  step-1: hsl(180deg, 20%, 50%);\
+         \n  step-2: hsl(180deg, 60%, 50%);\
+         \n  step-3: hsl(180deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -270,9 +270,9 @@ mod gray_to {
              \n  step-3: hsl(120, 100%, 50%);\
              \n}\n"),
             "a {\
-         \n  step-1: #669966;\
-         \n  step-2: #33cc33;\
-         \n  step-3: lime;\
+         \n  step-1: hsl(120deg, 20%, 50%);\
+         \n  step-2: hsl(120deg, 60%, 50%);\
+         \n  step-3: hsl(120deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -285,9 +285,9 @@ mod gray_to {
              \n  step-3: hsl(300, 100%, 50%);\
              \n}\n"),
             "a {\
-         \n  step-1: #996699;\
-         \n  step-2: #cc33cc;\
-         \n  step-3: fuchsia;\
+         \n  step-1: hsl(300deg, 20%, 50%);\
+         \n  step-2: hsl(300deg, 60%, 50%);\
+         \n  step-3: hsl(300deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -300,9 +300,9 @@ mod gray_to {
              \n  step-3: hsl(0, 100%, 50%);\
              \n}\n"),
             "a {\
-         \n  step-1: #996666;\
-         \n  step-2: #cc3333;\
-         \n  step-3: red;\
+         \n  step-1: hsl(0deg, 20%, 50%);\
+         \n  step-2: hsl(0deg, 60%, 50%);\
+         \n  step-3: hsl(0deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -315,9 +315,9 @@ mod gray_to {
              \n  step-3: hsl(60, 100%, 50%);\
              \n}\n"),
             "a {\
-         \n  step-1: #999966;\
-         \n  step-2: #cccc33;\
-         \n  step-3: yellow;\
+         \n  step-1: hsl(60deg, 20%, 50%);\
+         \n  step-2: hsl(60deg, 60%, 50%);\
+         \n  step-3: hsl(60deg, 100%, 50%);\
          \n}\n"
         );
     }
@@ -339,17 +339,17 @@ fn green_to_blue() {
              \n  step-11: hsl(240, 100%, 50%);\
              \n}\n"),
         "a {\
-         \n  step-1: lime;\
-         \n  step-2: #00ff33;\
-         \n  step-3: #00ff66;\
-         \n  step-4: #00ff99;\
-         \n  step-5: #00ffcc;\
-         \n  step-6: aqua;\
-         \n  step-7: #00ccff;\
-         \n  step-8: #0099ff;\
-         \n  step-9: #0066ff;\
-         \n  step-10: #0033ff;\
-         \n  step-11: blue;\
+         \n  step-1: hsl(120deg, 100%, 50%);\
+         \n  step-2: hsl(132deg, 100%, 50%);\
+         \n  step-3: hsl(144deg, 100%, 50%);\
+         \n  step-4: hsl(156deg, 100%, 50%);\
+         \n  step-5: hsl(168deg, 100%, 50%);\
+         \n  step-6: hsl(180deg, 100%, 50%);\
+         \n  step-7: hsl(192deg, 100%, 50%);\
+         \n  step-8: hsl(204deg, 100%, 50%);\
+         \n  step-9: hsl(216deg, 100%, 50%);\
+         \n  step-10: hsl(228deg, 100%, 50%);\
+         \n  step-11: hsl(240deg, 100%, 50%);\
          \n}\n"
     );
 }
@@ -370,40 +370,40 @@ fn hue() {
              \n@include test-hues(\"blue\", 240, -120, 600, -104880);\
              \n@include test-hues(\"purple\", 300, -60, 660, 2820);\n"),
         "red {\
-         \n  hue-0: red;\
-         \n  hue--360: red;\
-         \n  hue-360: red;\
-         \n  hue-6120: red;\
+         \n  hue-0: hsl(0deg, 100%, 50%);\
+         \n  hue--360: hsl(0deg, 100%, 50%);\
+         \n  hue-360: hsl(0deg, 100%, 50%);\
+         \n  hue-6120: hsl(0deg, 100%, 50%);\
          \n}\
          \nyellow {\
-         \n  hue-60: yellow;\
-         \n  hue--300: yellow;\
-         \n  hue-420: yellow;\
-         \n  hue--9660: yellow;\
+         \n  hue-60: hsl(60deg, 100%, 50%);\
+         \n  hue--300: hsl(60deg, 100%, 50%);\
+         \n  hue-420: hsl(60deg, 100%, 50%);\
+         \n  hue--9660: hsl(60deg, 100%, 50%);\
          \n}\
          \ngreen {\
-         \n  hue-120: lime;\
-         \n  hue--240: lime;\
-         \n  hue-480: lime;\
-         \n  hue-99840: lime;\
+         \n  hue-120: hsl(120deg, 100%, 50%);\
+         \n  hue--240: hsl(120deg, 100%, 50%);\
+         \n  hue-480: hsl(120deg, 100%, 50%);\
+         \n  hue-99840: hsl(120deg, 100%, 50%);\
          \n}\
          \ncyan {\
-         \n  hue-180: aqua;\
-         \n  hue--180: aqua;\
-         \n  hue-540: aqua;\
-         \n  hue--900: aqua;\
+         \n  hue-180: hsl(180deg, 100%, 50%);\
+         \n  hue--180: hsl(180deg, 100%, 50%);\
+         \n  hue-540: hsl(180deg, 100%, 50%);\
+         \n  hue--900: hsl(180deg, 100%, 50%);\
          \n}\
          \nblue {\
-         \n  hue-240: blue;\
-         \n  hue--120: blue;\
-         \n  hue-600: blue;\
-         \n  hue--104880: blue;\
+         \n  hue-240: hsl(240deg, 100%, 50%);\
+         \n  hue--120: hsl(240deg, 100%, 50%);\
+         \n  hue-600: hsl(240deg, 100%, 50%);\
+         \n  hue--104880: hsl(240deg, 100%, 50%);\
          \n}\
          \npurple {\
-         \n  hue-300: fuchsia;\
-         \n  hue--60: fuchsia;\
-         \n  hue-660: fuchsia;\
-         \n  hue-2820: fuchsia;\
+         \n  hue-300: hsl(300deg, 100%, 50%);\
+         \n  hue--60: hsl(300deg, 100%, 50%);\
+         \n  hue-660: hsl(300deg, 100%, 50%);\
+         \n  hue-2820: hsl(300deg, 100%, 50%);\
          \n}\n"
     );
 }
@@ -424,17 +424,17 @@ fn red_to_green() {
              \n  step-11: hsl(120, 100%, 50%);\
              \n}\n"),
         "a {\
-         \n  step-1: red;\
-         \n  step-2: #ff3300;\
-         \n  step-3: #ff6600;\
-         \n  step-4: #ff9900;\
-         \n  step-5: #ffcc00;\
-         \n  step-6: yellow;\
-         \n  step-7: #ccff00;\
-         \n  step-8: #99ff00;\
-         \n  step-9: #66ff00;\
-         \n  step-10: #33ff00;\
-         \n  step-11: lime;\
+         \n  step-1: hsl(0deg, 100%, 50%);\
+         \n  step-2: hsl(12deg, 100%, 50%);\
+         \n  step-3: hsl(24deg, 100%, 50%);\
+         \n  step-4: hsl(36deg, 100%, 50%);\
+         \n  step-5: hsl(48deg, 100%, 50%);\
+         \n  step-6: hsl(60deg, 100%, 50%);\
+         \n  step-7: hsl(72deg, 100%, 50%);\
+         \n  step-8: hsl(84deg, 100%, 50%);\
+         \n  step-9: hsl(96deg, 100%, 50%);\
+         \n  step-10: hsl(108deg, 100%, 50%);\
+         \n  step-11: hsl(120deg, 100%, 50%);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/hsla.rs b/tests/spec/core_functions/color/hsla.rs
index 9642412dd..001b9bef6 100644
--- a/tests/spec/core_functions/color/hsla.rs
+++ b/tests/spec/core_functions/color/hsla.rs
@@ -10,7 +10,7 @@ fn four_args() {
     assert_eq!(
         runner().ok("a {b: hsla(180, 60%, 50%, 0.4)}\n"),
         "a {\
-         \n  b: rgba(51, 204, 204, 0.4);\
+         \n  b: hsla(180deg, 60%, 50%, 0.4);\
          \n}\n"
     );
 }
@@ -23,7 +23,7 @@ mod one_arg {
         assert_eq!(
             runner().ok("a {b: hsla(180 60% 50% / 0.4)}\n"),
             "a {\
-         \n  b: rgba(51, 204, 204, 0.4);\
+         \n  b: hsla(180deg, 60%, 50%, 0.4);\
          \n}\n"
         );
     }
@@ -32,7 +32,7 @@ mod one_arg {
         assert_eq!(
             runner().ok("a {b: hsla(180 60% 50%)}\n"),
             "a {\
-         \n  b: #33cccc;\
+         \n  b: hsl(180deg, 60%, 50%);\
          \n}\n"
         );
     }
@@ -42,7 +42,7 @@ fn three_args() {
     assert_eq!(
         runner().ok("a {b: hsla(180, 60%, 50%)}\n"),
         "a {\
-         \n  b: #33cccc;\
+         \n  b: hsl(180deg, 60%, 50%);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/rgb/four_args/alpha.rs b/tests/spec/core_functions/color/rgb/four_args/alpha.rs
index 5e4a413a0..ba229ab95 100644
--- a/tests/spec/core_functions/color/rgb/four_args/alpha.rs
+++ b/tests/spec/core_functions/color/rgb/four_args/alpha.rs
@@ -18,7 +18,7 @@ mod percent {
             assert_eq!(
                 runner().ok("a {b: rgb(0, 0, 0, 250%)}\n"),
                 "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
             );
         }
@@ -28,7 +28,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: rgb(0, 0, 0, 100%)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
         );
     }
@@ -73,7 +73,7 @@ mod unitless {
             assert_eq!(
                 runner().ok("a {b: rgb(0, 0, 0, 250)}\n"),
                 "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
             );
         }
@@ -83,7 +83,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: rgb(0, 0, 0, 1)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/rgb/four_args/clamped.rs b/tests/spec/core_functions/color/rgb/four_args/clamped.rs
index 6aff63f1e..ca8ab76ec 100644
--- a/tests/spec/core_functions/color/rgb/four_args/clamped.rs
+++ b/tests/spec/core_functions/color/rgb/four_args/clamped.rs
@@ -14,7 +14,7 @@ mod alpha {
         assert_eq!(
             runner().ok("a {b: rgb(0, 0, 0, 1.1)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/rgb/four_args/in_gamut.rs b/tests/spec/core_functions/color/rgb/four_args/in_gamut.rs
index bb1c13367..20d6b99c9 100644
--- a/tests/spec/core_functions/color/rgb/four_args/in_gamut.rs
+++ b/tests/spec/core_functions/color/rgb/four_args/in_gamut.rs
@@ -21,7 +21,7 @@ fn opaque() {
     assert_eq!(
         runner().ok("a {b: rgb(190, 173, 237, 1)}\n"),
         "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/rgb/one_arg/alpha.rs b/tests/spec/core_functions/color/rgb/one_arg/alpha.rs
index 1242eee59..4972936a5 100644
--- a/tests/spec/core_functions/color/rgb/one_arg/alpha.rs
+++ b/tests/spec/core_functions/color/rgb/one_arg/alpha.rs
@@ -18,7 +18,7 @@ mod clamped {
             assert_eq!(
                 runner().ok("a {b: rgb(0 0 0 / 1.1)}\n"),
                 "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
             );
         }
@@ -40,7 +40,7 @@ mod clamped {
                 assert_eq!(
                     runner().ok("a {b: rgb(0 0 0 / 250%)}\n"),
                     "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
                 );
             }
@@ -101,7 +101,7 @@ mod in_gamut {
         assert_eq!(
             runner().ok("a {b: rgb(190 173 237 / 1)}\n"),
             "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/rgb/one_arg/no_alpha.rs b/tests/spec/core_functions/color/rgb/one_arg/no_alpha.rs
index fba97c2d3..8b89d0885 100644
--- a/tests/spec/core_functions/color/rgb/one_arg/no_alpha.rs
+++ b/tests/spec/core_functions/color/rgb/one_arg/no_alpha.rs
@@ -18,7 +18,7 @@ mod percents {
             assert_eq!(
                 runner().ok("a {b: rgb(7.1% 20.4% 33.9%)}\n"),
                 "a {\
-         \n  b: #123456;\
+         \n  b: rgb(18, 52, 86);\
          \n}\n"
             );
         }
@@ -28,7 +28,7 @@ mod percents {
         assert_eq!(
             runner().ok("a {b: rgb(0% 100% 50%)}\n"),
             "a {\
-         \n  b: #00ff80;\
+         \n  b: rgb(0, 255, 128);\
          \n}\n"
         );
     }
@@ -41,7 +41,7 @@ mod percents {
             assert_eq!(
                 runner().ok("a {b: rgb(0 0 200%)}\n"),
                 "a {\
-         \n  b: blue;\
+         \n  b: rgb(0, 0, 255);\
          \n}\n"
             );
         }
@@ -50,7 +50,7 @@ mod percents {
             assert_eq!(
                 runner().ok("a {b: rgb(0 -0.1% 0)}\n"),
                 "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
             );
         }
@@ -59,7 +59,7 @@ mod percents {
             assert_eq!(
                 runner().ok("a {b: rgb(100.1% 0 0)}\n"),
                 "a {\
-         \n  b: red;\
+         \n  b: rgb(255, 0, 0);\
          \n}\n"
             );
         }
@@ -73,7 +73,7 @@ mod percents {
             assert_eq!(
                 runner().ok("a {b: rgb(190 68% 237)}\n"),
                 "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
             );
         }
@@ -87,7 +87,7 @@ mod percents {
             assert_eq!(
                 runner().ok("a {b: rgb(74.7% 173 93%)}\n"),
                 "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
             );
         }
@@ -102,7 +102,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: rgb(190 173 237)}\n"),
             "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
         );
     }
@@ -115,7 +115,7 @@ mod unitless {
             assert_eq!(
                 runner().ok("a {b: rgb(0 0 9999)}\n"),
                 "a {\
-         \n  b: blue;\
+         \n  b: rgb(0, 0, 255);\
          \n}\n"
             );
         }
@@ -124,7 +124,7 @@ mod unitless {
             assert_eq!(
                 runner().ok("a {b: rgb(0 -1 0)}\n"),
                 "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
             );
         }
@@ -133,7 +133,7 @@ mod unitless {
             assert_eq!(
                 runner().ok("a {b: rgb(256 0 0)}\n"),
                 "a {\
-         \n  b: red;\
+         \n  b: rgb(255, 0, 0);\
          \n}\n"
             );
         }
@@ -143,7 +143,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: rgb($channels: 0 255 127)}\n"),
             "a {\
-         \n  b: springgreen;\
+         \n  b: rgb(0, 255, 127);\
          \n}\n"
         );
     }
@@ -152,7 +152,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: rgb(18 52 86)}\n"),
             "a {\
-         \n  b: #123456;\
+         \n  b: rgb(18, 52, 86);\
          \n}\n"
         );
     }
@@ -161,7 +161,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: rgb(0 255 127)}\n"),
             "a {\
-         \n  b: springgreen;\
+         \n  b: rgb(0, 255, 127);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/rgb/three_args/percents.rs b/tests/spec/core_functions/color/rgb/three_args/percents.rs
index 340e2a2a6..bb4f208ad 100644
--- a/tests/spec/core_functions/color/rgb/three_args/percents.rs
+++ b/tests/spec/core_functions/color/rgb/three_args/percents.rs
@@ -14,7 +14,7 @@ mod all {
         assert_eq!(
             runner().ok("a {b: rgb(7.1%, 20.4%, 33.9%)}\n"),
             "a {\
-         \n  b: #123456;\
+         \n  b: rgb(18, 52, 86);\
          \n}\n"
         );
     }
@@ -24,7 +24,7 @@ fn boundaries() {
     assert_eq!(
         runner().ok("a {b: rgb(0%, 100%, 50%)}\n"),
         "a {\
-         \n  b: #00ff80;\
+         \n  b: rgb(0, 255, 128);\
          \n}\n"
     );
 }
@@ -37,7 +37,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: rgb(0, 0, 200%)}\n"),
             "a {\
-         \n  b: blue;\
+         \n  b: rgb(0, 0, 255);\
          \n}\n"
         );
     }
@@ -46,7 +46,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: rgb(0, -0.1%, 0)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
         );
     }
@@ -55,7 +55,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: rgb(100.1%, 0, 0)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: rgb(255, 0, 0);\
          \n}\n"
         );
     }
@@ -69,7 +69,7 @@ mod percent {
         assert_eq!(
             runner().ok("a {b: rgb(190, 68%, 237)}\n"),
             "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
         );
     }
@@ -83,7 +83,7 @@ mod unitless {
         assert_eq!(
             runner().ok("a {b: rgb(74.7%, 173, 93%)}\n"),
             "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/color/rgb/three_args/unitless.rs b/tests/spec/core_functions/color/rgb/three_args/unitless.rs
index 6b3c470ef..e684594a8 100644
--- a/tests/spec/core_functions/color/rgb/three_args/unitless.rs
+++ b/tests/spec/core_functions/color/rgb/three_args/unitless.rs
@@ -10,7 +10,7 @@ fn beaded() {
     assert_eq!(
         runner().ok("a {b: rgb(190, 173, 237)}\n"),
         "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
     );
 }
@@ -23,7 +23,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: rgb(0, 0, 9999)}\n"),
             "a {\
-         \n  b: blue;\
+         \n  b: rgb(0, 0, 255);\
          \n}\n"
         );
     }
@@ -32,7 +32,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: rgb(0, -1, 0)}\n"),
             "a {\
-         \n  b: black;\
+         \n  b: rgb(0, 0, 0);\
          \n}\n"
         );
     }
@@ -41,7 +41,7 @@ mod clamped {
         assert_eq!(
             runner().ok("a {b: rgb(256, 0, 0)}\n"),
             "a {\
-         \n  b: red;\
+         \n  b: rgb(255, 0, 0);\
          \n}\n"
         );
     }
@@ -51,7 +51,7 @@ fn named() {
     assert_eq!(
         runner().ok("a {b: rgb($red: 0, $green: 255, $blue: 127)}\n"),
         "a {\
-         \n  b: springgreen;\
+         \n  b: rgb(0, 255, 127);\
          \n}\n"
     );
 }
@@ -60,7 +60,7 @@ fn numbers() {
     assert_eq!(
         runner().ok("a {b: rgb(18, 52, 86)}\n"),
         "a {\
-         \n  b: #123456;\
+         \n  b: rgb(18, 52, 86);\
          \n}\n"
     );
 }
@@ -69,7 +69,7 @@ fn springgreen() {
     assert_eq!(
         runner().ok("a {b: rgb(0, 255, 127)}\n"),
         "a {\
-         \n  b: springgreen;\
+         \n  b: rgb(0, 255, 127);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/color/rgba.rs b/tests/spec/core_functions/color/rgba.rs
index 709de7ecf..030b85289 100644
--- a/tests/spec/core_functions/color/rgba.rs
+++ b/tests/spec/core_functions/color/rgba.rs
@@ -32,7 +32,7 @@ mod one_arg {
         assert_eq!(
             runner().ok("a {b: rgba(190 173 237)}\n"),
             "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
         );
     }
@@ -42,7 +42,7 @@ fn three_args() {
     assert_eq!(
         runner().ok("a {b: rgba(190, 173, 237)}\n"),
         "a {\
-         \n  b: #beaded;\
+         \n  b: rgb(190, 173, 237);\
          \n}\n"
     );
 }
diff --git a/tests/spec/core_functions/meta/call.rs b/tests/spec/core_functions/meta/call.rs
index 135653aec..8f21304fe 100644
--- a/tests/spec/core_functions/meta/call.rs
+++ b/tests/spec/core_functions/meta/call.rs
@@ -16,7 +16,7 @@ mod args {
             "a {b: call(get-function(\"rgb\"), $blue: 1, $green: 2, $red: 3)}\n"
         ),
         "a {\
-         \n  b: #030201;\
+         \n  b: rgb(3, 2, 1);\
          \n}\n"
     );
     }
@@ -35,7 +35,7 @@ mod args {
         assert_eq!(
             runner().ok("a {b: call(get-function(\"rgb\"), 1, 2, 3)}\n"),
             "a {\
-         \n  b: #010203;\
+         \n  b: rgb(1, 2, 3);\
          \n}\n"
         );
     }
@@ -52,7 +52,7 @@ mod args {
              \na {b: call(get-function(\"rgb\"), $positional..., $named...)}\n"
         ),
         "a {\
-         \n  b: #010203;\
+         \n  b: rgb(1, 2, 3);\
          \n}\n"
     );
         }
@@ -63,7 +63,7 @@ mod args {
                     .ok("$args: (\"green\": 1, \"blue\": 2, \"red\": 3);\
              \na {b: call(get-function(\"rgb\"), $args...)}\n"),
                 "a {\
-         \n  b: #030102;\
+         \n  b: rgb(3, 1, 2);\
          \n}\n"
             );
         }
@@ -73,7 +73,7 @@ mod args {
                 runner().ok("$args: 1, 2, 3;\
              \na {b: call(get-function(\"rgb\"), $args...)}\n"),
                 "a {\
-         \n  b: #010203;\
+         \n  b: rgb(1, 2, 3);\
          \n}\n"
             );
         }
@@ -148,7 +148,7 @@ fn named() {
             "a {b: call($function: get-function(\"rgb\"), $red: 1, $green: 2, $blue: 3)}\n"
         ),
         "a {\
-         \n  b: #010203;\
+         \n  b: rgb(1, 2, 3);\
          \n}\n"
     );
 }
@@ -161,7 +161,7 @@ mod string {
         assert_eq!(
             runner().ok("a {b: call(\"rgb\", 1, 2, 3)}\n"),
             "a {\
-         \n  b: #010203;\
+         \n  b: rgb(1, 2, 3);\
          \n}\n"
         );
     }
diff --git a/tests/spec/core_functions/modules/meta.rs b/tests/spec/core_functions/modules/meta.rs
index a04f3e201..096b94b86 100644
--- a/tests/spec/core_functions/modules/meta.rs
+++ b/tests/spec/core_functions/modules/meta.rs
@@ -11,7 +11,7 @@ fn call() {
         runner().ok("@use \"sass:meta\";\
              \na {b: meta.call(meta.get-function(\"rgb\"), 1, 2, 3)}\n"),
         "a {\
-         \n  b: #010203;\
+         \n  b: rgb(1, 2, 3);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/bourbon.rs b/tests/spec/libsass/bourbon.rs
index 17f9d405b..f11cdf5ee 100644
--- a/tests/spec/libsass/bourbon.rs
+++ b/tests/spec/libsass/bourbon.rs
@@ -111,8 +111,8 @@ fn test() {
          \n  background-image: url(\"/images/a.png\"), url(\"images/b.png\");\
          \n  background-image: url(\"/images/a.png\"), -webkit-linear-gradient(white 0, yellow 50%, transparent 50%);\
          \n  background-image: url(\"/images/a.png\"), linear-gradient( white 0, yellow 50%, transparent 50%);\
-         \n  background-image: -webkit-linear-gradient(rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.08) 50%, transparent 50%), -webkit-linear-gradient(#4e7ba3, #3e6181);\
-         \n  background-image: linear-gradient( rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.08) 50%, transparent 50%), linear-gradient( #4e7ba3, #3e6181);\
+         \n  background-image: -webkit-linear-gradient(hsla(0deg, 100%, 100%, 0.25) 0%, hsla(0deg, 100%, 100%, 0.08) 50%, transparent 50%), -webkit-linear-gradient(#4e7ba3, #3e6181);\
+         \n  background-image: linear-gradient( hsla(0deg, 100%, 100%, 0.25) 0%, hsla(0deg, 100%, 100%, 0.08) 50%, transparent 50%), linear-gradient( #4e7ba3, #3e6181);\
          \n  background-image: -webkit-url(\"/images/a.png\")-gradient(center), -webkit-url(\"images/b.png\")-gradient(left);\
          \n  background-image: url(\"/images/a.png\")-gradient( center), url(\"images/b.png\")-gradient( left);\
          \n}\n"
diff --git a/tests/spec/libsass/color_functions/rgb/rgb/b.rs b/tests/spec/libsass/color_functions/rgb/rgb/b.rs
index ecaea11b1..1287ef42b 100644
--- a/tests/spec/libsass/color_functions/rgb/rgb/b.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgb/b.rs
@@ -374,369 +374,369 @@ fn test() {
              \n  c101: rgb(0,0,101%);\
              \n}\n"),
         "foo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000001;\
-         \n  c2: #000002;\
-         \n  c3: #000003;\
-         \n  c4: #000004;\
-         \n  c5: #000005;\
-         \n  c6: #000006;\
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-         \n  c255: blue;\
-         \n  c256: blue;\
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+         \n  c250: rgb(0, 0, 250);\
+         \n  c251: rgb(0, 0, 251);\
+         \n  c252: rgb(0, 0, 252);\
+         \n  c253: rgb(0, 0, 253);\
+         \n  c254: rgb(0, 0, 254);\
+         \n  c255: rgb(0, 0, 255);\
+         \n  c256: rgb(0, 0, 255);\
          \n}\
          \nfoo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000003;\
-         \n  c2: #000005;\
-         \n  c3: #000008;\
-         \n  c4: #00000a;\
-         \n  c5: #00000d;\
-         \n  c6: #00000f;\
-         \n  c7: #000012;\
-         \n  c8: #000014;\
-         \n  c9: #000017;\
-         \n  c10: #00001a;\
-         \n  c11: #00001c;\
-         \n  c12: #00001f;\
-         \n  c13: #000021;\
-         \n  c14: #000024;\
-         \n  c15: #000026;\
-         \n  c16: #000029;\
-         \n  c17: #00002b;\
-         \n  c18: #00002e;\
-         \n  c19: #000030;\
-         \n  c20: #000033;\
-         \n  c21: #000036;\
-         \n  c22: #000038;\
-         \n  c23: #00003b;\
-         \n  c24: #00003d;\
-         \n  c25: #000040;\
-         \n  c26: #000042;\
-         \n  c27: #000045;\
-         \n  c28: #000047;\
-         \n  c29: #00004a;\
-         \n  c30: #00004d;\
-         \n  c31: #00004f;\
-         \n  c32: #000052;\
-         \n  c33: #000054;\
-         \n  c34: #000057;\
-         \n  c35: #000059;\
-         \n  c36: #00005c;\
-         \n  c37: #00005e;\
-         \n  c38: #000061;\
-         \n  c39: #000063;\
-         \n  c40: #000066;\
-         \n  c41: #000069;\
-         \n  c42: #00006b;\
-         \n  c43: #00006e;\
-         \n  c44: #000070;\
-         \n  c45: #000073;\
-         \n  c46: #000075;\
-         \n  c47: #000078;\
-         \n  c48: #00007a;\
-         \n  c49: #00007d;\
-         \n  c50: navy;\
-         \n  c51: #000082;\
-         \n  c52: #000085;\
-         \n  c53: #000087;\
-         \n  c54: #00008a;\
-         \n  c55: #00008c;\
-         \n  c56: #00008f;\
-         \n  c57: #000091;\
-         \n  c58: #000094;\
-         \n  c59: #000096;\
-         \n  c60: #000099;\
-         \n  c61: #00009c;\
-         \n  c62: #00009e;\
-         \n  c63: #0000a1;\
-         \n  c64: #0000a3;\
-         \n  c65: #0000a6;\
-         \n  c66: #0000a8;\
-         \n  c67: #0000ab;\
-         \n  c68: #0000ad;\
-         \n  c69: #0000b0;\
-         \n  c70: #0000b3;\
-         \n  c71: #0000b5;\
-         \n  c72: #0000b8;\
-         \n  c73: #0000ba;\
-         \n  c74: #0000bd;\
-         \n  c75: #0000bf;\
-         \n  c76: #0000c2;\
-         \n  c77: #0000c4;\
-         \n  c78: #0000c7;\
-         \n  c79: #0000c9;\
-         \n  c80: #0000cc;\
-         \n  c81: #0000cf;\
-         \n  c82: #0000d1;\
-         \n  c83: #0000d4;\
-         \n  c84: #0000d6;\
-         \n  c85: #0000d9;\
-         \n  c86: #0000db;\
-         \n  c87: #0000de;\
-         \n  c88: #0000e0;\
-         \n  c89: #0000e3;\
-         \n  c90: #0000e6;\
-         \n  c91: #0000e8;\
-         \n  c92: #0000eb;\
-         \n  c93: #0000ed;\
-         \n  c94: #0000f0;\
-         \n  c95: #0000f2;\
-         \n  c96: #0000f5;\
-         \n  c97: #0000f7;\
-         \n  c98: #0000fa;\
-         \n  c99: #0000fc;\
-         \n  c100: blue;\
-         \n  c101: blue;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 0, 3);\
+         \n  c2: rgb(0, 0, 5);\
+         \n  c3: rgb(0, 0, 8);\
+         \n  c4: rgb(0, 0, 10);\
+         \n  c5: rgb(0, 0, 13);\
+         \n  c6: rgb(0, 0, 15);\
+         \n  c7: rgb(0, 0, 18);\
+         \n  c8: rgb(0, 0, 20);\
+         \n  c9: rgb(0, 0, 23);\
+         \n  c10: rgb(0, 0, 26);\
+         \n  c11: rgb(0, 0, 28);\
+         \n  c12: rgb(0, 0, 31);\
+         \n  c13: rgb(0, 0, 33);\
+         \n  c14: rgb(0, 0, 36);\
+         \n  c15: rgb(0, 0, 38);\
+         \n  c16: rgb(0, 0, 41);\
+         \n  c17: rgb(0, 0, 43);\
+         \n  c18: rgb(0, 0, 46);\
+         \n  c19: rgb(0, 0, 48);\
+         \n  c20: rgb(0, 0, 51);\
+         \n  c21: rgb(0, 0, 54);\
+         \n  c22: rgb(0, 0, 56);\
+         \n  c23: rgb(0, 0, 59);\
+         \n  c24: rgb(0, 0, 61);\
+         \n  c25: rgb(0, 0, 64);\
+         \n  c26: rgb(0, 0, 66);\
+         \n  c27: rgb(0, 0, 69);\
+         \n  c28: rgb(0, 0, 71);\
+         \n  c29: rgb(0, 0, 74);\
+         \n  c30: rgb(0, 0, 77);\
+         \n  c31: rgb(0, 0, 79);\
+         \n  c32: rgb(0, 0, 82);\
+         \n  c33: rgb(0, 0, 84);\
+         \n  c34: rgb(0, 0, 87);\
+         \n  c35: rgb(0, 0, 89);\
+         \n  c36: rgb(0, 0, 92);\
+         \n  c37: rgb(0, 0, 94);\
+         \n  c38: rgb(0, 0, 97);\
+         \n  c39: rgb(0, 0, 99);\
+         \n  c40: rgb(0, 0, 102);\
+         \n  c41: rgb(0, 0, 105);\
+         \n  c42: rgb(0, 0, 107);\
+         \n  c43: rgb(0, 0, 110);\
+         \n  c44: rgb(0, 0, 112);\
+         \n  c45: rgb(0, 0, 115);\
+         \n  c46: rgb(0, 0, 117);\
+         \n  c47: rgb(0, 0, 120);\
+         \n  c48: rgb(0, 0, 122);\
+         \n  c49: rgb(0, 0, 125);\
+         \n  c50: rgb(0, 0, 128);\
+         \n  c51: rgb(0, 0, 130);\
+         \n  c52: rgb(0, 0, 133);\
+         \n  c53: rgb(0, 0, 135);\
+         \n  c54: rgb(0, 0, 138);\
+         \n  c55: rgb(0, 0, 140);\
+         \n  c56: rgb(0, 0, 143);\
+         \n  c57: rgb(0, 0, 145);\
+         \n  c58: rgb(0, 0, 148);\
+         \n  c59: rgb(0, 0, 150);\
+         \n  c60: rgb(0, 0, 153);\
+         \n  c61: rgb(0, 0, 156);\
+         \n  c62: rgb(0, 0, 158);\
+         \n  c63: rgb(0, 0, 161);\
+         \n  c64: rgb(0, 0, 163);\
+         \n  c65: rgb(0, 0, 166);\
+         \n  c66: rgb(0, 0, 168);\
+         \n  c67: rgb(0, 0, 171);\
+         \n  c68: rgb(0, 0, 173);\
+         \n  c69: rgb(0, 0, 176);\
+         \n  c70: rgb(0, 0, 179);\
+         \n  c71: rgb(0, 0, 181);\
+         \n  c72: rgb(0, 0, 184);\
+         \n  c73: rgb(0, 0, 186);\
+         \n  c74: rgb(0, 0, 189);\
+         \n  c75: rgb(0, 0, 191);\
+         \n  c76: rgb(0, 0, 194);\
+         \n  c77: rgb(0, 0, 196);\
+         \n  c78: rgb(0, 0, 199);\
+         \n  c79: rgb(0, 0, 201);\
+         \n  c80: rgb(0, 0, 204);\
+         \n  c81: rgb(0, 0, 207);\
+         \n  c82: rgb(0, 0, 209);\
+         \n  c83: rgb(0, 0, 212);\
+         \n  c84: rgb(0, 0, 214);\
+         \n  c85: rgb(0, 0, 217);\
+         \n  c86: rgb(0, 0, 219);\
+         \n  c87: rgb(0, 0, 222);\
+         \n  c88: rgb(0, 0, 224);\
+         \n  c89: rgb(0, 0, 227);\
+         \n  c90: rgb(0, 0, 230);\
+         \n  c91: rgb(0, 0, 232);\
+         \n  c92: rgb(0, 0, 235);\
+         \n  c93: rgb(0, 0, 237);\
+         \n  c94: rgb(0, 0, 240);\
+         \n  c95: rgb(0, 0, 242);\
+         \n  c96: rgb(0, 0, 245);\
+         \n  c97: rgb(0, 0, 247);\
+         \n  c98: rgb(0, 0, 250);\
+         \n  c99: rgb(0, 0, 252);\
+         \n  c100: rgb(0, 0, 255);\
+         \n  c101: rgb(0, 0, 255);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/color_functions/rgb/rgb/g.rs b/tests/spec/libsass/color_functions/rgb/rgb/g.rs
index 1d76bc84a..a1e5173ac 100644
--- a/tests/spec/libsass/color_functions/rgb/rgb/g.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgb/g.rs
@@ -374,369 +374,369 @@ fn test() {
              \n  c101: rgb(0,101%,0);\
              \n}\n"),
         "foo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000100;\
-         \n  c2: #000200;\
-         \n  c3: #000300;\
-         \n  c4: #000400;\
-         \n  c5: #000500;\
-         \n  c6: #000600;\
-         \n  c7: #000700;\
-         \n  c8: #000800;\
-         \n  c9: #000900;\
-         \n  c10: #000a00;\
-         \n  c11: #000b00;\
-         \n  c12: #000c00;\
-         \n  c13: #000d00;\
-         \n  c14: #000e00;\
-         \n  c15: #000f00;\
-         \n  c16: #001000;\
-         \n  c17: #001100;\
-         \n  c18: #001200;\
-         \n  c19: #001300;\
-         \n  c20: #001400;\
-         \n  c21: #001500;\
-         \n  c22: #001600;\
-         \n  c23: #001700;\
-         \n  c24: #001800;\
-         \n  c25: #001900;\
-         \n  c26: #001a00;\
-         \n  c27: #001b00;\
-         \n  c28: #001c00;\
-         \n  c29: #001d00;\
-         \n  c30: #001e00;\
-         \n  c31: #001f00;\
-         \n  c32: #002000;\
-         \n  c33: #002100;\
-         \n  c34: #002200;\
-         \n  c35: #002300;\
-         \n  c36: #002400;\
-         \n  c37: #002500;\
-         \n  c38: #002600;\
-         \n  c39: #002700;\
-         \n  c40: #002800;\
-         \n  c41: #002900;\
-         \n  c42: #002a00;\
-         \n  c43: #002b00;\
-         \n  c44: #002c00;\
-         \n  c45: #002d00;\
-         \n  c46: #002e00;\
-         \n  c47: #002f00;\
-         \n  c48: #003000;\
-         \n  c49: #003100;\
-         \n  c50: #003200;\
-         \n  c51: #003300;\
-         \n  c52: #003400;\
-         \n  c53: #003500;\
-         \n  c54: #003600;\
-         \n  c55: #003700;\
-         \n  c56: #003800;\
-         \n  c57: #003900;\
-         \n  c58: #003a00;\
-         \n  c59: #003b00;\
-         \n  c60: #003c00;\
-         \n  c61: #003d00;\
-         \n  c62: #003e00;\
-         \n  c63: #003f00;\
-         \n  c64: #004000;\
-         \n  c65: #004100;\
-         \n  c66: #004200;\
-         \n  c67: #004300;\
-         \n  c68: #004400;\
-         \n  c69: #004500;\
-         \n  c70: #004600;\
-         \n  c71: #004700;\
-         \n  c72: #004800;\
-         \n  c73: #004900;\
-         \n  c74: #004a00;\
-         \n  c75: #004b00;\
-         \n  c76: #004c00;\
-         \n  c77: #004d00;\
-         \n  c78: #004e00;\
-         \n  c79: #004f00;\
-         \n  c80: #005000;\
-         \n  c81: #005100;\
-         \n  c82: #005200;\
-         \n  c83: #005300;\
-         \n  c84: #005400;\
-         \n  c85: #005500;\
-         \n  c86: #005600;\
-         \n  c87: #005700;\
-         \n  c88: #005800;\
-         \n  c89: #005900;\
-         \n  c90: #005a00;\
-         \n  c91: #005b00;\
-         \n  c92: #005c00;\
-         \n  c93: #005d00;\
-         \n  c94: #005e00;\
-         \n  c95: #005f00;\
-         \n  c96: #006000;\
-         \n  c97: #006100;\
-         \n  c98: #006200;\
-         \n  c99: #006300;\
-         \n  c100: darkgreen;\
-         \n  c101: #006500;\
-         \n  c102: #006600;\
-         \n  c103: #006700;\
-         \n  c104: #006800;\
-         \n  c105: #006900;\
-         \n  c106: #006a00;\
-         \n  c107: #006b00;\
-         \n  c108: #006c00;\
-         \n  c109: #006d00;\
-         \n  c110: #006e00;\
-         \n  c111: #006f00;\
-         \n  c112: #007000;\
-         \n  c113: #007100;\
-         \n  c114: #007200;\
-         \n  c115: #007300;\
-         \n  c116: #007400;\
-         \n  c117: #007500;\
-         \n  c118: #007600;\
-         \n  c119: #007700;\
-         \n  c120: #007800;\
-         \n  c121: #007900;\
-         \n  c122: #007a00;\
-         \n  c123: #007b00;\
-         \n  c124: #007c00;\
-         \n  c125: #007d00;\
-         \n  c126: #007e00;\
-         \n  c127: #007f00;\
-         \n  c128: green;\
-         \n  c129: #008100;\
-         \n  c130: #008200;\
-         \n  c131: #008300;\
-         \n  c132: #008400;\
-         \n  c133: #008500;\
-         \n  c134: #008600;\
-         \n  c135: #008700;\
-         \n  c136: #008800;\
-         \n  c137: #008900;\
-         \n  c138: #008a00;\
-         \n  c139: #008b00;\
-         \n  c140: #008c00;\
-         \n  c141: #008d00;\
-         \n  c142: #008e00;\
-         \n  c143: #008f00;\
-         \n  c144: #009000;\
-         \n  c145: #009100;\
-         \n  c146: #009200;\
-         \n  c147: #009300;\
-         \n  c148: #009400;\
-         \n  c149: #009500;\
-         \n  c150: #009600;\
-         \n  c151: #009700;\
-         \n  c152: #009800;\
-         \n  c153: #009900;\
-         \n  c154: #009a00;\
-         \n  c155: #009b00;\
-         \n  c156: #009c00;\
-         \n  c157: #009d00;\
-         \n  c158: #009e00;\
-         \n  c159: #009f00;\
-         \n  c160: #00a000;\
-         \n  c161: #00a100;\
-         \n  c162: #00a200;\
-         \n  c163: #00a300;\
-         \n  c164: #00a400;\
-         \n  c165: #00a500;\
-         \n  c166: #00a600;\
-         \n  c167: #00a700;\
-         \n  c168: #00a800;\
-         \n  c169: #00a900;\
-         \n  c170: #00aa00;\
-         \n  c171: #00ab00;\
-         \n  c172: #00ac00;\
-         \n  c173: #00ad00;\
-         \n  c174: #00ae00;\
-         \n  c175: #00af00;\
-         \n  c176: #00b000;\
-         \n  c177: #00b100;\
-         \n  c178: #00b200;\
-         \n  c179: #00b300;\
-         \n  c180: #00b400;\
-         \n  c181: #00b500;\
-         \n  c182: #00b600;\
-         \n  c183: #00b700;\
-         \n  c184: #00b800;\
-         \n  c185: #00b900;\
-         \n  c186: #00ba00;\
-         \n  c187: #00bb00;\
-         \n  c188: #00bc00;\
-         \n  c189: #00bd00;\
-         \n  c190: #00be00;\
-         \n  c191: #00bf00;\
-         \n  c192: #00c000;\
-         \n  c193: #00c100;\
-         \n  c194: #00c200;\
-         \n  c195: #00c300;\
-         \n  c196: #00c400;\
-         \n  c197: #00c500;\
-         \n  c198: #00c600;\
-         \n  c199: #00c700;\
-         \n  c200: #00c800;\
-         \n  c201: #00c900;\
-         \n  c202: #00ca00;\
-         \n  c203: #00cb00;\
-         \n  c204: #00cc00;\
-         \n  c205: #00cd00;\
-         \n  c206: #00ce00;\
-         \n  c207: #00cf00;\
-         \n  c208: #00d000;\
-         \n  c209: #00d100;\
-         \n  c210: #00d200;\
-         \n  c211: #00d300;\
-         \n  c212: #00d400;\
-         \n  c213: #00d500;\
-         \n  c214: #00d600;\
-         \n  c215: #00d700;\
-         \n  c216: #00d800;\
-         \n  c217: #00d900;\
-         \n  c218: #00da00;\
-         \n  c219: #00db00;\
-         \n  c220: #00dc00;\
-         \n  c221: #00dd00;\
-         \n  c222: #00de00;\
-         \n  c223: #00df00;\
-         \n  c224: #00e000;\
-         \n  c225: #00e100;\
-         \n  c226: #00e200;\
-         \n  c227: #00e300;\
-         \n  c228: #00e400;\
-         \n  c229: #00e500;\
-         \n  c230: #00e600;\
-         \n  c231: #00e700;\
-         \n  c232: #00e800;\
-         \n  c233: #00e900;\
-         \n  c234: #00ea00;\
-         \n  c235: #00eb00;\
-         \n  c236: #00ec00;\
-         \n  c237: #00ed00;\
-         \n  c238: #00ee00;\
-         \n  c239: #00ef00;\
-         \n  c240: #00f000;\
-         \n  c241: #00f100;\
-         \n  c242: #00f200;\
-         \n  c243: #00f300;\
-         \n  c244: #00f400;\
-         \n  c245: #00f500;\
-         \n  c246: #00f600;\
-         \n  c247: #00f700;\
-         \n  c248: #00f800;\
-         \n  c249: #00f900;\
-         \n  c250: #00fa00;\
-         \n  c251: #00fb00;\
-         \n  c252: #00fc00;\
-         \n  c253: #00fd00;\
-         \n  c254: #00fe00;\
-         \n  c255: lime;\
-         \n  c256: lime;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 1, 0);\
+         \n  c2: rgb(0, 2, 0);\
+         \n  c3: rgb(0, 3, 0);\
+         \n  c4: rgb(0, 4, 0);\
+         \n  c5: rgb(0, 5, 0);\
+         \n  c6: rgb(0, 6, 0);\
+         \n  c7: rgb(0, 7, 0);\
+         \n  c8: rgb(0, 8, 0);\
+         \n  c9: rgb(0, 9, 0);\
+         \n  c10: rgb(0, 10, 0);\
+         \n  c11: rgb(0, 11, 0);\
+         \n  c12: rgb(0, 12, 0);\
+         \n  c13: rgb(0, 13, 0);\
+         \n  c14: rgb(0, 14, 0);\
+         \n  c15: rgb(0, 15, 0);\
+         \n  c16: rgb(0, 16, 0);\
+         \n  c17: rgb(0, 17, 0);\
+         \n  c18: rgb(0, 18, 0);\
+         \n  c19: rgb(0, 19, 0);\
+         \n  c20: rgb(0, 20, 0);\
+         \n  c21: rgb(0, 21, 0);\
+         \n  c22: rgb(0, 22, 0);\
+         \n  c23: rgb(0, 23, 0);\
+         \n  c24: rgb(0, 24, 0);\
+         \n  c25: rgb(0, 25, 0);\
+         \n  c26: rgb(0, 26, 0);\
+         \n  c27: rgb(0, 27, 0);\
+         \n  c28: rgb(0, 28, 0);\
+         \n  c29: rgb(0, 29, 0);\
+         \n  c30: rgb(0, 30, 0);\
+         \n  c31: rgb(0, 31, 0);\
+         \n  c32: rgb(0, 32, 0);\
+         \n  c33: rgb(0, 33, 0);\
+         \n  c34: rgb(0, 34, 0);\
+         \n  c35: rgb(0, 35, 0);\
+         \n  c36: rgb(0, 36, 0);\
+         \n  c37: rgb(0, 37, 0);\
+         \n  c38: rgb(0, 38, 0);\
+         \n  c39: rgb(0, 39, 0);\
+         \n  c40: rgb(0, 40, 0);\
+         \n  c41: rgb(0, 41, 0);\
+         \n  c42: rgb(0, 42, 0);\
+         \n  c43: rgb(0, 43, 0);\
+         \n  c44: rgb(0, 44, 0);\
+         \n  c45: rgb(0, 45, 0);\
+         \n  c46: rgb(0, 46, 0);\
+         \n  c47: rgb(0, 47, 0);\
+         \n  c48: rgb(0, 48, 0);\
+         \n  c49: rgb(0, 49, 0);\
+         \n  c50: rgb(0, 50, 0);\
+         \n  c51: rgb(0, 51, 0);\
+         \n  c52: rgb(0, 52, 0);\
+         \n  c53: rgb(0, 53, 0);\
+         \n  c54: rgb(0, 54, 0);\
+         \n  c55: rgb(0, 55, 0);\
+         \n  c56: rgb(0, 56, 0);\
+         \n  c57: rgb(0, 57, 0);\
+         \n  c58: rgb(0, 58, 0);\
+         \n  c59: rgb(0, 59, 0);\
+         \n  c60: rgb(0, 60, 0);\
+         \n  c61: rgb(0, 61, 0);\
+         \n  c62: rgb(0, 62, 0);\
+         \n  c63: rgb(0, 63, 0);\
+         \n  c64: rgb(0, 64, 0);\
+         \n  c65: rgb(0, 65, 0);\
+         \n  c66: rgb(0, 66, 0);\
+         \n  c67: rgb(0, 67, 0);\
+         \n  c68: rgb(0, 68, 0);\
+         \n  c69: rgb(0, 69, 0);\
+         \n  c70: rgb(0, 70, 0);\
+         \n  c71: rgb(0, 71, 0);\
+         \n  c72: rgb(0, 72, 0);\
+         \n  c73: rgb(0, 73, 0);\
+         \n  c74: rgb(0, 74, 0);\
+         \n  c75: rgb(0, 75, 0);\
+         \n  c76: rgb(0, 76, 0);\
+         \n  c77: rgb(0, 77, 0);\
+         \n  c78: rgb(0, 78, 0);\
+         \n  c79: rgb(0, 79, 0);\
+         \n  c80: rgb(0, 80, 0);\
+         \n  c81: rgb(0, 81, 0);\
+         \n  c82: rgb(0, 82, 0);\
+         \n  c83: rgb(0, 83, 0);\
+         \n  c84: rgb(0, 84, 0);\
+         \n  c85: rgb(0, 85, 0);\
+         \n  c86: rgb(0, 86, 0);\
+         \n  c87: rgb(0, 87, 0);\
+         \n  c88: rgb(0, 88, 0);\
+         \n  c89: rgb(0, 89, 0);\
+         \n  c90: rgb(0, 90, 0);\
+         \n  c91: rgb(0, 91, 0);\
+         \n  c92: rgb(0, 92, 0);\
+         \n  c93: rgb(0, 93, 0);\
+         \n  c94: rgb(0, 94, 0);\
+         \n  c95: rgb(0, 95, 0);\
+         \n  c96: rgb(0, 96, 0);\
+         \n  c97: rgb(0, 97, 0);\
+         \n  c98: rgb(0, 98, 0);\
+         \n  c99: rgb(0, 99, 0);\
+         \n  c100: rgb(0, 100, 0);\
+         \n  c101: rgb(0, 101, 0);\
+         \n  c102: rgb(0, 102, 0);\
+         \n  c103: rgb(0, 103, 0);\
+         \n  c104: rgb(0, 104, 0);\
+         \n  c105: rgb(0, 105, 0);\
+         \n  c106: rgb(0, 106, 0);\
+         \n  c107: rgb(0, 107, 0);\
+         \n  c108: rgb(0, 108, 0);\
+         \n  c109: rgb(0, 109, 0);\
+         \n  c110: rgb(0, 110, 0);\
+         \n  c111: rgb(0, 111, 0);\
+         \n  c112: rgb(0, 112, 0);\
+         \n  c113: rgb(0, 113, 0);\
+         \n  c114: rgb(0, 114, 0);\
+         \n  c115: rgb(0, 115, 0);\
+         \n  c116: rgb(0, 116, 0);\
+         \n  c117: rgb(0, 117, 0);\
+         \n  c118: rgb(0, 118, 0);\
+         \n  c119: rgb(0, 119, 0);\
+         \n  c120: rgb(0, 120, 0);\
+         \n  c121: rgb(0, 121, 0);\
+         \n  c122: rgb(0, 122, 0);\
+         \n  c123: rgb(0, 123, 0);\
+         \n  c124: rgb(0, 124, 0);\
+         \n  c125: rgb(0, 125, 0);\
+         \n  c126: rgb(0, 126, 0);\
+         \n  c127: rgb(0, 127, 0);\
+         \n  c128: rgb(0, 128, 0);\
+         \n  c129: rgb(0, 129, 0);\
+         \n  c130: rgb(0, 130, 0);\
+         \n  c131: rgb(0, 131, 0);\
+         \n  c132: rgb(0, 132, 0);\
+         \n  c133: rgb(0, 133, 0);\
+         \n  c134: rgb(0, 134, 0);\
+         \n  c135: rgb(0, 135, 0);\
+         \n  c136: rgb(0, 136, 0);\
+         \n  c137: rgb(0, 137, 0);\
+         \n  c138: rgb(0, 138, 0);\
+         \n  c139: rgb(0, 139, 0);\
+         \n  c140: rgb(0, 140, 0);\
+         \n  c141: rgb(0, 141, 0);\
+         \n  c142: rgb(0, 142, 0);\
+         \n  c143: rgb(0, 143, 0);\
+         \n  c144: rgb(0, 144, 0);\
+         \n  c145: rgb(0, 145, 0);\
+         \n  c146: rgb(0, 146, 0);\
+         \n  c147: rgb(0, 147, 0);\
+         \n  c148: rgb(0, 148, 0);\
+         \n  c149: rgb(0, 149, 0);\
+         \n  c150: rgb(0, 150, 0);\
+         \n  c151: rgb(0, 151, 0);\
+         \n  c152: rgb(0, 152, 0);\
+         \n  c153: rgb(0, 153, 0);\
+         \n  c154: rgb(0, 154, 0);\
+         \n  c155: rgb(0, 155, 0);\
+         \n  c156: rgb(0, 156, 0);\
+         \n  c157: rgb(0, 157, 0);\
+         \n  c158: rgb(0, 158, 0);\
+         \n  c159: rgb(0, 159, 0);\
+         \n  c160: rgb(0, 160, 0);\
+         \n  c161: rgb(0, 161, 0);\
+         \n  c162: rgb(0, 162, 0);\
+         \n  c163: rgb(0, 163, 0);\
+         \n  c164: rgb(0, 164, 0);\
+         \n  c165: rgb(0, 165, 0);\
+         \n  c166: rgb(0, 166, 0);\
+         \n  c167: rgb(0, 167, 0);\
+         \n  c168: rgb(0, 168, 0);\
+         \n  c169: rgb(0, 169, 0);\
+         \n  c170: rgb(0, 170, 0);\
+         \n  c171: rgb(0, 171, 0);\
+         \n  c172: rgb(0, 172, 0);\
+         \n  c173: rgb(0, 173, 0);\
+         \n  c174: rgb(0, 174, 0);\
+         \n  c175: rgb(0, 175, 0);\
+         \n  c176: rgb(0, 176, 0);\
+         \n  c177: rgb(0, 177, 0);\
+         \n  c178: rgb(0, 178, 0);\
+         \n  c179: rgb(0, 179, 0);\
+         \n  c180: rgb(0, 180, 0);\
+         \n  c181: rgb(0, 181, 0);\
+         \n  c182: rgb(0, 182, 0);\
+         \n  c183: rgb(0, 183, 0);\
+         \n  c184: rgb(0, 184, 0);\
+         \n  c185: rgb(0, 185, 0);\
+         \n  c186: rgb(0, 186, 0);\
+         \n  c187: rgb(0, 187, 0);\
+         \n  c188: rgb(0, 188, 0);\
+         \n  c189: rgb(0, 189, 0);\
+         \n  c190: rgb(0, 190, 0);\
+         \n  c191: rgb(0, 191, 0);\
+         \n  c192: rgb(0, 192, 0);\
+         \n  c193: rgb(0, 193, 0);\
+         \n  c194: rgb(0, 194, 0);\
+         \n  c195: rgb(0, 195, 0);\
+         \n  c196: rgb(0, 196, 0);\
+         \n  c197: rgb(0, 197, 0);\
+         \n  c198: rgb(0, 198, 0);\
+         \n  c199: rgb(0, 199, 0);\
+         \n  c200: rgb(0, 200, 0);\
+         \n  c201: rgb(0, 201, 0);\
+         \n  c202: rgb(0, 202, 0);\
+         \n  c203: rgb(0, 203, 0);\
+         \n  c204: rgb(0, 204, 0);\
+         \n  c205: rgb(0, 205, 0);\
+         \n  c206: rgb(0, 206, 0);\
+         \n  c207: rgb(0, 207, 0);\
+         \n  c208: rgb(0, 208, 0);\
+         \n  c209: rgb(0, 209, 0);\
+         \n  c210: rgb(0, 210, 0);\
+         \n  c211: rgb(0, 211, 0);\
+         \n  c212: rgb(0, 212, 0);\
+         \n  c213: rgb(0, 213, 0);\
+         \n  c214: rgb(0, 214, 0);\
+         \n  c215: rgb(0, 215, 0);\
+         \n  c216: rgb(0, 216, 0);\
+         \n  c217: rgb(0, 217, 0);\
+         \n  c218: rgb(0, 218, 0);\
+         \n  c219: rgb(0, 219, 0);\
+         \n  c220: rgb(0, 220, 0);\
+         \n  c221: rgb(0, 221, 0);\
+         \n  c222: rgb(0, 222, 0);\
+         \n  c223: rgb(0, 223, 0);\
+         \n  c224: rgb(0, 224, 0);\
+         \n  c225: rgb(0, 225, 0);\
+         \n  c226: rgb(0, 226, 0);\
+         \n  c227: rgb(0, 227, 0);\
+         \n  c228: rgb(0, 228, 0);\
+         \n  c229: rgb(0, 229, 0);\
+         \n  c230: rgb(0, 230, 0);\
+         \n  c231: rgb(0, 231, 0);\
+         \n  c232: rgb(0, 232, 0);\
+         \n  c233: rgb(0, 233, 0);\
+         \n  c234: rgb(0, 234, 0);\
+         \n  c235: rgb(0, 235, 0);\
+         \n  c236: rgb(0, 236, 0);\
+         \n  c237: rgb(0, 237, 0);\
+         \n  c238: rgb(0, 238, 0);\
+         \n  c239: rgb(0, 239, 0);\
+         \n  c240: rgb(0, 240, 0);\
+         \n  c241: rgb(0, 241, 0);\
+         \n  c242: rgb(0, 242, 0);\
+         \n  c243: rgb(0, 243, 0);\
+         \n  c244: rgb(0, 244, 0);\
+         \n  c245: rgb(0, 245, 0);\
+         \n  c246: rgb(0, 246, 0);\
+         \n  c247: rgb(0, 247, 0);\
+         \n  c248: rgb(0, 248, 0);\
+         \n  c249: rgb(0, 249, 0);\
+         \n  c250: rgb(0, 250, 0);\
+         \n  c251: rgb(0, 251, 0);\
+         \n  c252: rgb(0, 252, 0);\
+         \n  c253: rgb(0, 253, 0);\
+         \n  c254: rgb(0, 254, 0);\
+         \n  c255: rgb(0, 255, 0);\
+         \n  c256: rgb(0, 255, 0);\
          \n}\
          \nfoo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000300;\
-         \n  c2: #000500;\
-         \n  c3: #000800;\
-         \n  c4: #000a00;\
-         \n  c5: #000d00;\
-         \n  c6: #000f00;\
-         \n  c7: #001200;\
-         \n  c8: #001400;\
-         \n  c9: #001700;\
-         \n  c10: #001a00;\
-         \n  c11: #001c00;\
-         \n  c12: #001f00;\
-         \n  c13: #002100;\
-         \n  c14: #002400;\
-         \n  c15: #002600;\
-         \n  c16: #002900;\
-         \n  c17: #002b00;\
-         \n  c18: #002e00;\
-         \n  c19: #003000;\
-         \n  c20: #003300;\
-         \n  c21: #003600;\
-         \n  c22: #003800;\
-         \n  c23: #003b00;\
-         \n  c24: #003d00;\
-         \n  c25: #004000;\
-         \n  c26: #004200;\
-         \n  c27: #004500;\
-         \n  c28: #004700;\
-         \n  c29: #004a00;\
-         \n  c30: #004d00;\
-         \n  c31: #004f00;\
-         \n  c32: #005200;\
-         \n  c33: #005400;\
-         \n  c34: #005700;\
-         \n  c35: #005900;\
-         \n  c36: #005c00;\
-         \n  c37: #005e00;\
-         \n  c38: #006100;\
-         \n  c39: #006300;\
-         \n  c40: #006600;\
-         \n  c41: #006900;\
-         \n  c42: #006b00;\
-         \n  c43: #006e00;\
-         \n  c44: #007000;\
-         \n  c45: #007300;\
-         \n  c46: #007500;\
-         \n  c47: #007800;\
-         \n  c48: #007a00;\
-         \n  c49: #007d00;\
-         \n  c50: green;\
-         \n  c51: #008200;\
-         \n  c52: #008500;\
-         \n  c53: #008700;\
-         \n  c54: #008a00;\
-         \n  c55: #008c00;\
-         \n  c56: #008f00;\
-         \n  c57: #009100;\
-         \n  c58: #009400;\
-         \n  c59: #009600;\
-         \n  c60: #009900;\
-         \n  c61: #009c00;\
-         \n  c62: #009e00;\
-         \n  c63: #00a100;\
-         \n  c64: #00a300;\
-         \n  c65: #00a600;\
-         \n  c66: #00a800;\
-         \n  c67: #00ab00;\
-         \n  c68: #00ad00;\
-         \n  c69: #00b000;\
-         \n  c70: #00b300;\
-         \n  c71: #00b500;\
-         \n  c72: #00b800;\
-         \n  c73: #00ba00;\
-         \n  c74: #00bd00;\
-         \n  c75: #00bf00;\
-         \n  c76: #00c200;\
-         \n  c77: #00c400;\
-         \n  c78: #00c700;\
-         \n  c79: #00c900;\
-         \n  c80: #00cc00;\
-         \n  c81: #00cf00;\
-         \n  c82: #00d100;\
-         \n  c83: #00d400;\
-         \n  c84: #00d600;\
-         \n  c85: #00d900;\
-         \n  c86: #00db00;\
-         \n  c87: #00de00;\
-         \n  c88: #00e000;\
-         \n  c89: #00e300;\
-         \n  c90: #00e600;\
-         \n  c91: #00e800;\
-         \n  c92: #00eb00;\
-         \n  c93: #00ed00;\
-         \n  c94: #00f000;\
-         \n  c95: #00f200;\
-         \n  c96: #00f500;\
-         \n  c97: #00f700;\
-         \n  c98: #00fa00;\
-         \n  c99: #00fc00;\
-         \n  c100: lime;\
-         \n  c101: lime;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 3, 0);\
+         \n  c2: rgb(0, 5, 0);\
+         \n  c3: rgb(0, 8, 0);\
+         \n  c4: rgb(0, 10, 0);\
+         \n  c5: rgb(0, 13, 0);\
+         \n  c6: rgb(0, 15, 0);\
+         \n  c7: rgb(0, 18, 0);\
+         \n  c8: rgb(0, 20, 0);\
+         \n  c9: rgb(0, 23, 0);\
+         \n  c10: rgb(0, 26, 0);\
+         \n  c11: rgb(0, 28, 0);\
+         \n  c12: rgb(0, 31, 0);\
+         \n  c13: rgb(0, 33, 0);\
+         \n  c14: rgb(0, 36, 0);\
+         \n  c15: rgb(0, 38, 0);\
+         \n  c16: rgb(0, 41, 0);\
+         \n  c17: rgb(0, 43, 0);\
+         \n  c18: rgb(0, 46, 0);\
+         \n  c19: rgb(0, 48, 0);\
+         \n  c20: rgb(0, 51, 0);\
+         \n  c21: rgb(0, 54, 0);\
+         \n  c22: rgb(0, 56, 0);\
+         \n  c23: rgb(0, 59, 0);\
+         \n  c24: rgb(0, 61, 0);\
+         \n  c25: rgb(0, 64, 0);\
+         \n  c26: rgb(0, 66, 0);\
+         \n  c27: rgb(0, 69, 0);\
+         \n  c28: rgb(0, 71, 0);\
+         \n  c29: rgb(0, 74, 0);\
+         \n  c30: rgb(0, 77, 0);\
+         \n  c31: rgb(0, 79, 0);\
+         \n  c32: rgb(0, 82, 0);\
+         \n  c33: rgb(0, 84, 0);\
+         \n  c34: rgb(0, 87, 0);\
+         \n  c35: rgb(0, 89, 0);\
+         \n  c36: rgb(0, 92, 0);\
+         \n  c37: rgb(0, 94, 0);\
+         \n  c38: rgb(0, 97, 0);\
+         \n  c39: rgb(0, 99, 0);\
+         \n  c40: rgb(0, 102, 0);\
+         \n  c41: rgb(0, 105, 0);\
+         \n  c42: rgb(0, 107, 0);\
+         \n  c43: rgb(0, 110, 0);\
+         \n  c44: rgb(0, 112, 0);\
+         \n  c45: rgb(0, 115, 0);\
+         \n  c46: rgb(0, 117, 0);\
+         \n  c47: rgb(0, 120, 0);\
+         \n  c48: rgb(0, 122, 0);\
+         \n  c49: rgb(0, 125, 0);\
+         \n  c50: rgb(0, 128, 0);\
+         \n  c51: rgb(0, 130, 0);\
+         \n  c52: rgb(0, 133, 0);\
+         \n  c53: rgb(0, 135, 0);\
+         \n  c54: rgb(0, 138, 0);\
+         \n  c55: rgb(0, 140, 0);\
+         \n  c56: rgb(0, 143, 0);\
+         \n  c57: rgb(0, 145, 0);\
+         \n  c58: rgb(0, 148, 0);\
+         \n  c59: rgb(0, 150, 0);\
+         \n  c60: rgb(0, 153, 0);\
+         \n  c61: rgb(0, 156, 0);\
+         \n  c62: rgb(0, 158, 0);\
+         \n  c63: rgb(0, 161, 0);\
+         \n  c64: rgb(0, 163, 0);\
+         \n  c65: rgb(0, 166, 0);\
+         \n  c66: rgb(0, 168, 0);\
+         \n  c67: rgb(0, 171, 0);\
+         \n  c68: rgb(0, 173, 0);\
+         \n  c69: rgb(0, 176, 0);\
+         \n  c70: rgb(0, 179, 0);\
+         \n  c71: rgb(0, 181, 0);\
+         \n  c72: rgb(0, 184, 0);\
+         \n  c73: rgb(0, 186, 0);\
+         \n  c74: rgb(0, 189, 0);\
+         \n  c75: rgb(0, 191, 0);\
+         \n  c76: rgb(0, 194, 0);\
+         \n  c77: rgb(0, 196, 0);\
+         \n  c78: rgb(0, 199, 0);\
+         \n  c79: rgb(0, 201, 0);\
+         \n  c80: rgb(0, 204, 0);\
+         \n  c81: rgb(0, 207, 0);\
+         \n  c82: rgb(0, 209, 0);\
+         \n  c83: rgb(0, 212, 0);\
+         \n  c84: rgb(0, 214, 0);\
+         \n  c85: rgb(0, 217, 0);\
+         \n  c86: rgb(0, 219, 0);\
+         \n  c87: rgb(0, 222, 0);\
+         \n  c88: rgb(0, 224, 0);\
+         \n  c89: rgb(0, 227, 0);\
+         \n  c90: rgb(0, 230, 0);\
+         \n  c91: rgb(0, 232, 0);\
+         \n  c92: rgb(0, 235, 0);\
+         \n  c93: rgb(0, 237, 0);\
+         \n  c94: rgb(0, 240, 0);\
+         \n  c95: rgb(0, 242, 0);\
+         \n  c96: rgb(0, 245, 0);\
+         \n  c97: rgb(0, 247, 0);\
+         \n  c98: rgb(0, 250, 0);\
+         \n  c99: rgb(0, 252, 0);\
+         \n  c100: rgb(0, 255, 0);\
+         \n  c101: rgb(0, 255, 0);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/color_functions/rgb/rgb/r.rs b/tests/spec/libsass/color_functions/rgb/rgb/r.rs
index a41e394b9..e474dda75 100644
--- a/tests/spec/libsass/color_functions/rgb/rgb/r.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgb/r.rs
@@ -374,369 +374,369 @@ fn test() {
              \n  c101: rgb(101%,0,0);\
              \n}\n"),
         "foo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000100;\
-         \n  c2: #000200;\
-         \n  c3: #000300;\
-         \n  c4: #000400;\
-         \n  c5: #000500;\
-         \n  c6: #000600;\
-         \n  c7: #000700;\
-         \n  c8: #000800;\
-         \n  c9: #000900;\
-         \n  c10: #000a00;\
-         \n  c11: #000b00;\
-         \n  c12: #000c00;\
-         \n  c13: #000d00;\
-         \n  c14: #000e00;\
-         \n  c15: #000f00;\
-         \n  c16: #001000;\
-         \n  c17: #001100;\
-         \n  c18: #001200;\
-         \n  c19: #001300;\
-         \n  c20: #001400;\
-         \n  c21: #001500;\
-         \n  c22: #001600;\
-         \n  c23: #001700;\
-         \n  c24: #001800;\
-         \n  c25: #001900;\
-         \n  c26: #001a00;\
-         \n  c27: #001b00;\
-         \n  c28: #001c00;\
-         \n  c29: #001d00;\
-         \n  c30: #001e00;\
-         \n  c31: #001f00;\
-         \n  c32: #002000;\
-         \n  c33: #002100;\
-         \n  c34: #002200;\
-         \n  c35: #002300;\
-         \n  c36: #002400;\
-         \n  c37: #002500;\
-         \n  c38: #002600;\
-         \n  c39: #002700;\
-         \n  c40: #002800;\
-         \n  c41: #002900;\
-         \n  c42: #002a00;\
-         \n  c43: #002b00;\
-         \n  c44: #002c00;\
-         \n  c45: #002d00;\
-         \n  c46: #002e00;\
-         \n  c47: #002f00;\
-         \n  c48: #003000;\
-         \n  c49: #003100;\
-         \n  c50: #003200;\
-         \n  c51: #003300;\
-         \n  c52: #003400;\
-         \n  c53: #003500;\
-         \n  c54: #003600;\
-         \n  c55: #003700;\
-         \n  c56: #003800;\
-         \n  c57: #003900;\
-         \n  c58: #003a00;\
-         \n  c59: #003b00;\
-         \n  c60: #003c00;\
-         \n  c61: #003d00;\
-         \n  c62: #003e00;\
-         \n  c63: #003f00;\
-         \n  c64: #004000;\
-         \n  c65: #004100;\
-         \n  c66: #004200;\
-         \n  c67: #004300;\
-         \n  c68: #004400;\
-         \n  c69: #004500;\
-         \n  c70: #004600;\
-         \n  c71: #004700;\
-         \n  c72: #004800;\
-         \n  c73: #004900;\
-         \n  c74: #004a00;\
-         \n  c75: #004b00;\
-         \n  c76: #004c00;\
-         \n  c77: #004d00;\
-         \n  c78: #004e00;\
-         \n  c79: #004f00;\
-         \n  c80: #005000;\
-         \n  c81: #005100;\
-         \n  c82: #005200;\
-         \n  c83: #005300;\
-         \n  c84: #005400;\
-         \n  c85: #005500;\
-         \n  c86: #005600;\
-         \n  c87: #005700;\
-         \n  c88: #005800;\
-         \n  c89: #005900;\
-         \n  c90: #005a00;\
-         \n  c91: #005b00;\
-         \n  c92: #005c00;\
-         \n  c93: #005d00;\
-         \n  c94: #005e00;\
-         \n  c95: #005f00;\
-         \n  c96: #006000;\
-         \n  c97: #006100;\
-         \n  c98: #006200;\
-         \n  c99: #006300;\
-         \n  c100: darkgreen;\
-         \n  c101: #006500;\
-         \n  c102: #006600;\
-         \n  c103: #006700;\
-         \n  c104: #006800;\
-         \n  c105: #006900;\
-         \n  c106: #006a00;\
-         \n  c107: #006b00;\
-         \n  c108: #006c00;\
-         \n  c109: #006d00;\
-         \n  c110: #006e00;\
-         \n  c111: #006f00;\
-         \n  c112: #007000;\
-         \n  c113: #007100;\
-         \n  c114: #007200;\
-         \n  c115: #007300;\
-         \n  c116: #007400;\
-         \n  c117: #007500;\
-         \n  c118: #007600;\
-         \n  c119: #007700;\
-         \n  c120: #007800;\
-         \n  c121: #007900;\
-         \n  c122: #007a00;\
-         \n  c123: #007b00;\
-         \n  c124: #007c00;\
-         \n  c125: #007d00;\
-         \n  c126: #007e00;\
-         \n  c127: #007f00;\
-         \n  c128: green;\
-         \n  c129: #008100;\
-         \n  c130: #008200;\
-         \n  c131: #008300;\
-         \n  c132: #008400;\
-         \n  c133: #008500;\
-         \n  c134: #008600;\
-         \n  c135: #008700;\
-         \n  c136: #008800;\
-         \n  c137: #008900;\
-         \n  c138: #008a00;\
-         \n  c139: #008b00;\
-         \n  c140: #008c00;\
-         \n  c141: #008d00;\
-         \n  c142: #008e00;\
-         \n  c143: #008f00;\
-         \n  c144: #009000;\
-         \n  c145: #009100;\
-         \n  c146: #009200;\
-         \n  c147: #009300;\
-         \n  c148: #009400;\
-         \n  c149: #009500;\
-         \n  c150: #009600;\
-         \n  c151: #009700;\
-         \n  c152: #009800;\
-         \n  c153: #009900;\
-         \n  c154: #009a00;\
-         \n  c155: #009b00;\
-         \n  c156: #009c00;\
-         \n  c157: #009d00;\
-         \n  c158: #009e00;\
-         \n  c159: #009f00;\
-         \n  c160: #00a000;\
-         \n  c161: #00a100;\
-         \n  c162: #00a200;\
-         \n  c163: #00a300;\
-         \n  c164: #00a400;\
-         \n  c165: #00a500;\
-         \n  c166: #00a600;\
-         \n  c167: #00a700;\
-         \n  c168: #00a800;\
-         \n  c169: #00a900;\
-         \n  c170: #00aa00;\
-         \n  c171: #00ab00;\
-         \n  c172: #00ac00;\
-         \n  c173: #00ad00;\
-         \n  c174: #00ae00;\
-         \n  c175: #00af00;\
-         \n  c176: #00b000;\
-         \n  c177: #00b100;\
-         \n  c178: #00b200;\
-         \n  c179: #00b300;\
-         \n  c180: #00b400;\
-         \n  c181: #00b500;\
-         \n  c182: #00b600;\
-         \n  c183: #00b700;\
-         \n  c184: #00b800;\
-         \n  c185: #00b900;\
-         \n  c186: #00ba00;\
-         \n  c187: #00bb00;\
-         \n  c188: #00bc00;\
-         \n  c189: #00bd00;\
-         \n  c190: #00be00;\
-         \n  c191: #00bf00;\
-         \n  c192: #00c000;\
-         \n  c193: #00c100;\
-         \n  c194: #00c200;\
-         \n  c195: #00c300;\
-         \n  c196: #00c400;\
-         \n  c197: #00c500;\
-         \n  c198: #00c600;\
-         \n  c199: #00c700;\
-         \n  c200: #00c800;\
-         \n  c201: #00c900;\
-         \n  c202: #00ca00;\
-         \n  c203: #00cb00;\
-         \n  c204: #00cc00;\
-         \n  c205: #00cd00;\
-         \n  c206: #00ce00;\
-         \n  c207: #00cf00;\
-         \n  c208: #00d000;\
-         \n  c209: #00d100;\
-         \n  c210: #00d200;\
-         \n  c211: #00d300;\
-         \n  c212: #00d400;\
-         \n  c213: #00d500;\
-         \n  c214: #00d600;\
-         \n  c215: #00d700;\
-         \n  c216: #00d800;\
-         \n  c217: #00d900;\
-         \n  c218: #00da00;\
-         \n  c219: #00db00;\
-         \n  c220: #00dc00;\
-         \n  c221: #00dd00;\
-         \n  c222: #00de00;\
-         \n  c223: #00df00;\
-         \n  c224: #00e000;\
-         \n  c225: #00e100;\
-         \n  c226: #00e200;\
-         \n  c227: #00e300;\
-         \n  c228: #00e400;\
-         \n  c229: #00e500;\
-         \n  c230: #00e600;\
-         \n  c231: #00e700;\
-         \n  c232: #00e800;\
-         \n  c233: #00e900;\
-         \n  c234: #00ea00;\
-         \n  c235: #00eb00;\
-         \n  c236: #00ec00;\
-         \n  c237: #00ed00;\
-         \n  c238: #00ee00;\
-         \n  c239: #00ef00;\
-         \n  c240: #00f000;\
-         \n  c241: #00f100;\
-         \n  c242: #00f200;\
-         \n  c243: #00f300;\
-         \n  c244: #00f400;\
-         \n  c245: #00f500;\
-         \n  c246: #00f600;\
-         \n  c247: #00f700;\
-         \n  c248: #00f800;\
-         \n  c249: #00f900;\
-         \n  c250: #00fa00;\
-         \n  c251: #00fb00;\
-         \n  c252: #00fc00;\
-         \n  c253: #00fd00;\
-         \n  c254: #00fe00;\
-         \n  c255: lime;\
-         \n  c256: lime;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 1, 0);\
+         \n  c2: rgb(0, 2, 0);\
+         \n  c3: rgb(0, 3, 0);\
+         \n  c4: rgb(0, 4, 0);\
+         \n  c5: rgb(0, 5, 0);\
+         \n  c6: rgb(0, 6, 0);\
+         \n  c7: rgb(0, 7, 0);\
+         \n  c8: rgb(0, 8, 0);\
+         \n  c9: rgb(0, 9, 0);\
+         \n  c10: rgb(0, 10, 0);\
+         \n  c11: rgb(0, 11, 0);\
+         \n  c12: rgb(0, 12, 0);\
+         \n  c13: rgb(0, 13, 0);\
+         \n  c14: rgb(0, 14, 0);\
+         \n  c15: rgb(0, 15, 0);\
+         \n  c16: rgb(0, 16, 0);\
+         \n  c17: rgb(0, 17, 0);\
+         \n  c18: rgb(0, 18, 0);\
+         \n  c19: rgb(0, 19, 0);\
+         \n  c20: rgb(0, 20, 0);\
+         \n  c21: rgb(0, 21, 0);\
+         \n  c22: rgb(0, 22, 0);\
+         \n  c23: rgb(0, 23, 0);\
+         \n  c24: rgb(0, 24, 0);\
+         \n  c25: rgb(0, 25, 0);\
+         \n  c26: rgb(0, 26, 0);\
+         \n  c27: rgb(0, 27, 0);\
+         \n  c28: rgb(0, 28, 0);\
+         \n  c29: rgb(0, 29, 0);\
+         \n  c30: rgb(0, 30, 0);\
+         \n  c31: rgb(0, 31, 0);\
+         \n  c32: rgb(0, 32, 0);\
+         \n  c33: rgb(0, 33, 0);\
+         \n  c34: rgb(0, 34, 0);\
+         \n  c35: rgb(0, 35, 0);\
+         \n  c36: rgb(0, 36, 0);\
+         \n  c37: rgb(0, 37, 0);\
+         \n  c38: rgb(0, 38, 0);\
+         \n  c39: rgb(0, 39, 0);\
+         \n  c40: rgb(0, 40, 0);\
+         \n  c41: rgb(0, 41, 0);\
+         \n  c42: rgb(0, 42, 0);\
+         \n  c43: rgb(0, 43, 0);\
+         \n  c44: rgb(0, 44, 0);\
+         \n  c45: rgb(0, 45, 0);\
+         \n  c46: rgb(0, 46, 0);\
+         \n  c47: rgb(0, 47, 0);\
+         \n  c48: rgb(0, 48, 0);\
+         \n  c49: rgb(0, 49, 0);\
+         \n  c50: rgb(0, 50, 0);\
+         \n  c51: rgb(0, 51, 0);\
+         \n  c52: rgb(0, 52, 0);\
+         \n  c53: rgb(0, 53, 0);\
+         \n  c54: rgb(0, 54, 0);\
+         \n  c55: rgb(0, 55, 0);\
+         \n  c56: rgb(0, 56, 0);\
+         \n  c57: rgb(0, 57, 0);\
+         \n  c58: rgb(0, 58, 0);\
+         \n  c59: rgb(0, 59, 0);\
+         \n  c60: rgb(0, 60, 0);\
+         \n  c61: rgb(0, 61, 0);\
+         \n  c62: rgb(0, 62, 0);\
+         \n  c63: rgb(0, 63, 0);\
+         \n  c64: rgb(0, 64, 0);\
+         \n  c65: rgb(0, 65, 0);\
+         \n  c66: rgb(0, 66, 0);\
+         \n  c67: rgb(0, 67, 0);\
+         \n  c68: rgb(0, 68, 0);\
+         \n  c69: rgb(0, 69, 0);\
+         \n  c70: rgb(0, 70, 0);\
+         \n  c71: rgb(0, 71, 0);\
+         \n  c72: rgb(0, 72, 0);\
+         \n  c73: rgb(0, 73, 0);\
+         \n  c74: rgb(0, 74, 0);\
+         \n  c75: rgb(0, 75, 0);\
+         \n  c76: rgb(0, 76, 0);\
+         \n  c77: rgb(0, 77, 0);\
+         \n  c78: rgb(0, 78, 0);\
+         \n  c79: rgb(0, 79, 0);\
+         \n  c80: rgb(0, 80, 0);\
+         \n  c81: rgb(0, 81, 0);\
+         \n  c82: rgb(0, 82, 0);\
+         \n  c83: rgb(0, 83, 0);\
+         \n  c84: rgb(0, 84, 0);\
+         \n  c85: rgb(0, 85, 0);\
+         \n  c86: rgb(0, 86, 0);\
+         \n  c87: rgb(0, 87, 0);\
+         \n  c88: rgb(0, 88, 0);\
+         \n  c89: rgb(0, 89, 0);\
+         \n  c90: rgb(0, 90, 0);\
+         \n  c91: rgb(0, 91, 0);\
+         \n  c92: rgb(0, 92, 0);\
+         \n  c93: rgb(0, 93, 0);\
+         \n  c94: rgb(0, 94, 0);\
+         \n  c95: rgb(0, 95, 0);\
+         \n  c96: rgb(0, 96, 0);\
+         \n  c97: rgb(0, 97, 0);\
+         \n  c98: rgb(0, 98, 0);\
+         \n  c99: rgb(0, 99, 0);\
+         \n  c100: rgb(0, 100, 0);\
+         \n  c101: rgb(0, 101, 0);\
+         \n  c102: rgb(0, 102, 0);\
+         \n  c103: rgb(0, 103, 0);\
+         \n  c104: rgb(0, 104, 0);\
+         \n  c105: rgb(0, 105, 0);\
+         \n  c106: rgb(0, 106, 0);\
+         \n  c107: rgb(0, 107, 0);\
+         \n  c108: rgb(0, 108, 0);\
+         \n  c109: rgb(0, 109, 0);\
+         \n  c110: rgb(0, 110, 0);\
+         \n  c111: rgb(0, 111, 0);\
+         \n  c112: rgb(0, 112, 0);\
+         \n  c113: rgb(0, 113, 0);\
+         \n  c114: rgb(0, 114, 0);\
+         \n  c115: rgb(0, 115, 0);\
+         \n  c116: rgb(0, 116, 0);\
+         \n  c117: rgb(0, 117, 0);\
+         \n  c118: rgb(0, 118, 0);\
+         \n  c119: rgb(0, 119, 0);\
+         \n  c120: rgb(0, 120, 0);\
+         \n  c121: rgb(0, 121, 0);\
+         \n  c122: rgb(0, 122, 0);\
+         \n  c123: rgb(0, 123, 0);\
+         \n  c124: rgb(0, 124, 0);\
+         \n  c125: rgb(0, 125, 0);\
+         \n  c126: rgb(0, 126, 0);\
+         \n  c127: rgb(0, 127, 0);\
+         \n  c128: rgb(0, 128, 0);\
+         \n  c129: rgb(0, 129, 0);\
+         \n  c130: rgb(0, 130, 0);\
+         \n  c131: rgb(0, 131, 0);\
+         \n  c132: rgb(0, 132, 0);\
+         \n  c133: rgb(0, 133, 0);\
+         \n  c134: rgb(0, 134, 0);\
+         \n  c135: rgb(0, 135, 0);\
+         \n  c136: rgb(0, 136, 0);\
+         \n  c137: rgb(0, 137, 0);\
+         \n  c138: rgb(0, 138, 0);\
+         \n  c139: rgb(0, 139, 0);\
+         \n  c140: rgb(0, 140, 0);\
+         \n  c141: rgb(0, 141, 0);\
+         \n  c142: rgb(0, 142, 0);\
+         \n  c143: rgb(0, 143, 0);\
+         \n  c144: rgb(0, 144, 0);\
+         \n  c145: rgb(0, 145, 0);\
+         \n  c146: rgb(0, 146, 0);\
+         \n  c147: rgb(0, 147, 0);\
+         \n  c148: rgb(0, 148, 0);\
+         \n  c149: rgb(0, 149, 0);\
+         \n  c150: rgb(0, 150, 0);\
+         \n  c151: rgb(0, 151, 0);\
+         \n  c152: rgb(0, 152, 0);\
+         \n  c153: rgb(0, 153, 0);\
+         \n  c154: rgb(0, 154, 0);\
+         \n  c155: rgb(0, 155, 0);\
+         \n  c156: rgb(0, 156, 0);\
+         \n  c157: rgb(0, 157, 0);\
+         \n  c158: rgb(0, 158, 0);\
+         \n  c159: rgb(0, 159, 0);\
+         \n  c160: rgb(0, 160, 0);\
+         \n  c161: rgb(0, 161, 0);\
+         \n  c162: rgb(0, 162, 0);\
+         \n  c163: rgb(0, 163, 0);\
+         \n  c164: rgb(0, 164, 0);\
+         \n  c165: rgb(0, 165, 0);\
+         \n  c166: rgb(0, 166, 0);\
+         \n  c167: rgb(0, 167, 0);\
+         \n  c168: rgb(0, 168, 0);\
+         \n  c169: rgb(0, 169, 0);\
+         \n  c170: rgb(0, 170, 0);\
+         \n  c171: rgb(0, 171, 0);\
+         \n  c172: rgb(0, 172, 0);\
+         \n  c173: rgb(0, 173, 0);\
+         \n  c174: rgb(0, 174, 0);\
+         \n  c175: rgb(0, 175, 0);\
+         \n  c176: rgb(0, 176, 0);\
+         \n  c177: rgb(0, 177, 0);\
+         \n  c178: rgb(0, 178, 0);\
+         \n  c179: rgb(0, 179, 0);\
+         \n  c180: rgb(0, 180, 0);\
+         \n  c181: rgb(0, 181, 0);\
+         \n  c182: rgb(0, 182, 0);\
+         \n  c183: rgb(0, 183, 0);\
+         \n  c184: rgb(0, 184, 0);\
+         \n  c185: rgb(0, 185, 0);\
+         \n  c186: rgb(0, 186, 0);\
+         \n  c187: rgb(0, 187, 0);\
+         \n  c188: rgb(0, 188, 0);\
+         \n  c189: rgb(0, 189, 0);\
+         \n  c190: rgb(0, 190, 0);\
+         \n  c191: rgb(0, 191, 0);\
+         \n  c192: rgb(0, 192, 0);\
+         \n  c193: rgb(0, 193, 0);\
+         \n  c194: rgb(0, 194, 0);\
+         \n  c195: rgb(0, 195, 0);\
+         \n  c196: rgb(0, 196, 0);\
+         \n  c197: rgb(0, 197, 0);\
+         \n  c198: rgb(0, 198, 0);\
+         \n  c199: rgb(0, 199, 0);\
+         \n  c200: rgb(0, 200, 0);\
+         \n  c201: rgb(0, 201, 0);\
+         \n  c202: rgb(0, 202, 0);\
+         \n  c203: rgb(0, 203, 0);\
+         \n  c204: rgb(0, 204, 0);\
+         \n  c205: rgb(0, 205, 0);\
+         \n  c206: rgb(0, 206, 0);\
+         \n  c207: rgb(0, 207, 0);\
+         \n  c208: rgb(0, 208, 0);\
+         \n  c209: rgb(0, 209, 0);\
+         \n  c210: rgb(0, 210, 0);\
+         \n  c211: rgb(0, 211, 0);\
+         \n  c212: rgb(0, 212, 0);\
+         \n  c213: rgb(0, 213, 0);\
+         \n  c214: rgb(0, 214, 0);\
+         \n  c215: rgb(0, 215, 0);\
+         \n  c216: rgb(0, 216, 0);\
+         \n  c217: rgb(0, 217, 0);\
+         \n  c218: rgb(0, 218, 0);\
+         \n  c219: rgb(0, 219, 0);\
+         \n  c220: rgb(0, 220, 0);\
+         \n  c221: rgb(0, 221, 0);\
+         \n  c222: rgb(0, 222, 0);\
+         \n  c223: rgb(0, 223, 0);\
+         \n  c224: rgb(0, 224, 0);\
+         \n  c225: rgb(0, 225, 0);\
+         \n  c226: rgb(0, 226, 0);\
+         \n  c227: rgb(0, 227, 0);\
+         \n  c228: rgb(0, 228, 0);\
+         \n  c229: rgb(0, 229, 0);\
+         \n  c230: rgb(0, 230, 0);\
+         \n  c231: rgb(0, 231, 0);\
+         \n  c232: rgb(0, 232, 0);\
+         \n  c233: rgb(0, 233, 0);\
+         \n  c234: rgb(0, 234, 0);\
+         \n  c235: rgb(0, 235, 0);\
+         \n  c236: rgb(0, 236, 0);\
+         \n  c237: rgb(0, 237, 0);\
+         \n  c238: rgb(0, 238, 0);\
+         \n  c239: rgb(0, 239, 0);\
+         \n  c240: rgb(0, 240, 0);\
+         \n  c241: rgb(0, 241, 0);\
+         \n  c242: rgb(0, 242, 0);\
+         \n  c243: rgb(0, 243, 0);\
+         \n  c244: rgb(0, 244, 0);\
+         \n  c245: rgb(0, 245, 0);\
+         \n  c246: rgb(0, 246, 0);\
+         \n  c247: rgb(0, 247, 0);\
+         \n  c248: rgb(0, 248, 0);\
+         \n  c249: rgb(0, 249, 0);\
+         \n  c250: rgb(0, 250, 0);\
+         \n  c251: rgb(0, 251, 0);\
+         \n  c252: rgb(0, 252, 0);\
+         \n  c253: rgb(0, 253, 0);\
+         \n  c254: rgb(0, 254, 0);\
+         \n  c255: rgb(0, 255, 0);\
+         \n  c256: rgb(0, 255, 0);\
          \n}\
          \nfoo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #030000;\
-         \n  c2: #050000;\
-         \n  c3: #080000;\
-         \n  c4: #0a0000;\
-         \n  c5: #0d0000;\
-         \n  c6: #0f0000;\
-         \n  c7: #120000;\
-         \n  c8: #140000;\
-         \n  c9: #170000;\
-         \n  c10: #1a0000;\
-         \n  c11: #1c0000;\
-         \n  c12: #1f0000;\
-         \n  c13: #210000;\
-         \n  c14: #240000;\
-         \n  c15: #260000;\
-         \n  c16: #290000;\
-         \n  c17: #2b0000;\
-         \n  c18: #2e0000;\
-         \n  c19: #300000;\
-         \n  c20: #330000;\
-         \n  c21: #360000;\
-         \n  c22: #380000;\
-         \n  c23: #3b0000;\
-         \n  c24: #3d0000;\
-         \n  c25: #400000;\
-         \n  c26: #420000;\
-         \n  c27: #450000;\
-         \n  c28: #470000;\
-         \n  c29: #4a0000;\
-         \n  c30: #4d0000;\
-         \n  c31: #4f0000;\
-         \n  c32: #520000;\
-         \n  c33: #540000;\
-         \n  c34: #570000;\
-         \n  c35: #590000;\
-         \n  c36: #5c0000;\
-         \n  c37: #5e0000;\
-         \n  c38: #610000;\
-         \n  c39: #630000;\
-         \n  c40: #660000;\
-         \n  c41: #690000;\
-         \n  c42: #6b0000;\
-         \n  c43: #6e0000;\
-         \n  c44: #700000;\
-         \n  c45: #730000;\
-         \n  c46: #750000;\
-         \n  c47: #780000;\
-         \n  c48: #7a0000;\
-         \n  c49: #7d0000;\
-         \n  c50: maroon;\
-         \n  c51: #820000;\
-         \n  c52: #850000;\
-         \n  c53: #870000;\
-         \n  c54: #8a0000;\
-         \n  c55: #8c0000;\
-         \n  c56: #8f0000;\
-         \n  c57: #910000;\
-         \n  c58: #940000;\
-         \n  c59: #960000;\
-         \n  c60: #990000;\
-         \n  c61: #9c0000;\
-         \n  c62: #9e0000;\
-         \n  c63: #a10000;\
-         \n  c64: #a30000;\
-         \n  c65: #a60000;\
-         \n  c66: #a80000;\
-         \n  c67: #ab0000;\
-         \n  c68: #ad0000;\
-         \n  c69: #b00000;\
-         \n  c70: #b30000;\
-         \n  c71: #b50000;\
-         \n  c72: #b80000;\
-         \n  c73: #ba0000;\
-         \n  c74: #bd0000;\
-         \n  c75: #bf0000;\
-         \n  c76: #c20000;\
-         \n  c77: #c40000;\
-         \n  c78: #c70000;\
-         \n  c79: #c90000;\
-         \n  c80: #cc0000;\
-         \n  c81: #cf0000;\
-         \n  c82: #d10000;\
-         \n  c83: #d40000;\
-         \n  c84: #d60000;\
-         \n  c85: #d90000;\
-         \n  c86: #db0000;\
-         \n  c87: #de0000;\
-         \n  c88: #e00000;\
-         \n  c89: #e30000;\
-         \n  c90: #e60000;\
-         \n  c91: #e80000;\
-         \n  c92: #eb0000;\
-         \n  c93: #ed0000;\
-         \n  c94: #f00000;\
-         \n  c95: #f20000;\
-         \n  c96: #f50000;\
-         \n  c97: #f70000;\
-         \n  c98: #fa0000;\
-         \n  c99: #fc0000;\
-         \n  c100: red;\
-         \n  c101: red;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(3, 0, 0);\
+         \n  c2: rgb(5, 0, 0);\
+         \n  c3: rgb(8, 0, 0);\
+         \n  c4: rgb(10, 0, 0);\
+         \n  c5: rgb(13, 0, 0);\
+         \n  c6: rgb(15, 0, 0);\
+         \n  c7: rgb(18, 0, 0);\
+         \n  c8: rgb(20, 0, 0);\
+         \n  c9: rgb(23, 0, 0);\
+         \n  c10: rgb(26, 0, 0);\
+         \n  c11: rgb(28, 0, 0);\
+         \n  c12: rgb(31, 0, 0);\
+         \n  c13: rgb(33, 0, 0);\
+         \n  c14: rgb(36, 0, 0);\
+         \n  c15: rgb(38, 0, 0);\
+         \n  c16: rgb(41, 0, 0);\
+         \n  c17: rgb(43, 0, 0);\
+         \n  c18: rgb(46, 0, 0);\
+         \n  c19: rgb(48, 0, 0);\
+         \n  c20: rgb(51, 0, 0);\
+         \n  c21: rgb(54, 0, 0);\
+         \n  c22: rgb(56, 0, 0);\
+         \n  c23: rgb(59, 0, 0);\
+         \n  c24: rgb(61, 0, 0);\
+         \n  c25: rgb(64, 0, 0);\
+         \n  c26: rgb(66, 0, 0);\
+         \n  c27: rgb(69, 0, 0);\
+         \n  c28: rgb(71, 0, 0);\
+         \n  c29: rgb(74, 0, 0);\
+         \n  c30: rgb(77, 0, 0);\
+         \n  c31: rgb(79, 0, 0);\
+         \n  c32: rgb(82, 0, 0);\
+         \n  c33: rgb(84, 0, 0);\
+         \n  c34: rgb(87, 0, 0);\
+         \n  c35: rgb(89, 0, 0);\
+         \n  c36: rgb(92, 0, 0);\
+         \n  c37: rgb(94, 0, 0);\
+         \n  c38: rgb(97, 0, 0);\
+         \n  c39: rgb(99, 0, 0);\
+         \n  c40: rgb(102, 0, 0);\
+         \n  c41: rgb(105, 0, 0);\
+         \n  c42: rgb(107, 0, 0);\
+         \n  c43: rgb(110, 0, 0);\
+         \n  c44: rgb(112, 0, 0);\
+         \n  c45: rgb(115, 0, 0);\
+         \n  c46: rgb(117, 0, 0);\
+         \n  c47: rgb(120, 0, 0);\
+         \n  c48: rgb(122, 0, 0);\
+         \n  c49: rgb(125, 0, 0);\
+         \n  c50: rgb(128, 0, 0);\
+         \n  c51: rgb(130, 0, 0);\
+         \n  c52: rgb(133, 0, 0);\
+         \n  c53: rgb(135, 0, 0);\
+         \n  c54: rgb(138, 0, 0);\
+         \n  c55: rgb(140, 0, 0);\
+         \n  c56: rgb(143, 0, 0);\
+         \n  c57: rgb(145, 0, 0);\
+         \n  c58: rgb(148, 0, 0);\
+         \n  c59: rgb(150, 0, 0);\
+         \n  c60: rgb(153, 0, 0);\
+         \n  c61: rgb(156, 0, 0);\
+         \n  c62: rgb(158, 0, 0);\
+         \n  c63: rgb(161, 0, 0);\
+         \n  c64: rgb(163, 0, 0);\
+         \n  c65: rgb(166, 0, 0);\
+         \n  c66: rgb(168, 0, 0);\
+         \n  c67: rgb(171, 0, 0);\
+         \n  c68: rgb(173, 0, 0);\
+         \n  c69: rgb(176, 0, 0);\
+         \n  c70: rgb(179, 0, 0);\
+         \n  c71: rgb(181, 0, 0);\
+         \n  c72: rgb(184, 0, 0);\
+         \n  c73: rgb(186, 0, 0);\
+         \n  c74: rgb(189, 0, 0);\
+         \n  c75: rgb(191, 0, 0);\
+         \n  c76: rgb(194, 0, 0);\
+         \n  c77: rgb(196, 0, 0);\
+         \n  c78: rgb(199, 0, 0);\
+         \n  c79: rgb(201, 0, 0);\
+         \n  c80: rgb(204, 0, 0);\
+         \n  c81: rgb(207, 0, 0);\
+         \n  c82: rgb(209, 0, 0);\
+         \n  c83: rgb(212, 0, 0);\
+         \n  c84: rgb(214, 0, 0);\
+         \n  c85: rgb(217, 0, 0);\
+         \n  c86: rgb(219, 0, 0);\
+         \n  c87: rgb(222, 0, 0);\
+         \n  c88: rgb(224, 0, 0);\
+         \n  c89: rgb(227, 0, 0);\
+         \n  c90: rgb(230, 0, 0);\
+         \n  c91: rgb(232, 0, 0);\
+         \n  c92: rgb(235, 0, 0);\
+         \n  c93: rgb(237, 0, 0);\
+         \n  c94: rgb(240, 0, 0);\
+         \n  c95: rgb(242, 0, 0);\
+         \n  c96: rgb(245, 0, 0);\
+         \n  c97: rgb(247, 0, 0);\
+         \n  c98: rgb(250, 0, 0);\
+         \n  c99: rgb(252, 0, 0);\
+         \n  c100: rgb(255, 0, 0);\
+         \n  c101: rgb(255, 0, 0);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/color_functions/rgb/rgba/a.rs b/tests/spec/libsass/color_functions/rgb/rgba/a.rs
index 24432c0b9..d169be60f 100644
--- a/tests/spec/libsass/color_functions/rgb/rgba/a.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgba/a.rs
@@ -52,9 +52,9 @@ fn test() {
          \n  c7: rgba(0, 0, 0, 0.7);\
          \n  c8: rgba(0, 0, 0, 0.8);\
          \n  c9: rgba(0, 0, 0, 0.9);\
-         \n  c10: black;\
-         \n  c11: black;\
-         \n  c12: black;\
+         \n  c10: rgb(0, 0, 0);\
+         \n  c11: rgb(0, 0, 0);\
+         \n  c12: rgb(0, 0, 0);\
          \n}\
          \nfoo {\
          \n  c-1: rgba(0, 0, 0, 0);\
diff --git a/tests/spec/libsass/color_functions/rgb/rgba/b.rs b/tests/spec/libsass/color_functions/rgb/rgba/b.rs
index 919dd2d27..f0d1371d2 100644
--- a/tests/spec/libsass/color_functions/rgb/rgba/b.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgba/b.rs
@@ -374,369 +374,369 @@ fn test() {
              \n  c101: rgba(0,0,101%,1);\
              \n}\n"),
         "foo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000001;\
-         \n  c2: #000002;\
-         \n  c3: #000003;\
-         \n  c4: #000004;\
-         \n  c5: #000005;\
-         \n  c6: #000006;\
-         \n  c7: #000007;\
-         \n  c8: #000008;\
-         \n  c9: #000009;\
-         \n  c10: #00000a;\
-         \n  c11: #00000b;\
-         \n  c12: #00000c;\
-         \n  c13: #00000d;\
-         \n  c14: #00000e;\
-         \n  c15: #00000f;\
-         \n  c16: #000010;\
-         \n  c17: #000011;\
-         \n  c18: #000012;\
-         \n  c19: #000013;\
-         \n  c20: #000014;\
-         \n  c21: #000015;\
-         \n  c22: #000016;\
-         \n  c23: #000017;\
-         \n  c24: #000018;\
-         \n  c25: #000019;\
-         \n  c26: #00001a;\
-         \n  c27: #00001b;\
-         \n  c28: #00001c;\
-         \n  c29: #00001d;\
-         \n  c30: #00001e;\
-         \n  c31: #00001f;\
-         \n  c32: #000020;\
-         \n  c33: #000021;\
-         \n  c34: #000022;\
-         \n  c35: #000023;\
-         \n  c36: #000024;\
-         \n  c37: #000025;\
-         \n  c38: #000026;\
-         \n  c39: #000027;\
-         \n  c40: #000028;\
-         \n  c41: #000029;\
-         \n  c42: #00002a;\
-         \n  c43: #00002b;\
-         \n  c44: #00002c;\
-         \n  c45: #00002d;\
-         \n  c46: #00002e;\
-         \n  c47: #00002f;\
-         \n  c48: #000030;\
-         \n  c49: #000031;\
-         \n  c50: #000032;\
-         \n  c51: #000033;\
-         \n  c52: #000034;\
-         \n  c53: #000035;\
-         \n  c54: #000036;\
-         \n  c55: #000037;\
-         \n  c56: #000038;\
-         \n  c57: #000039;\
-         \n  c58: #00003a;\
-         \n  c59: #00003b;\
-         \n  c60: #00003c;\
-         \n  c61: #00003d;\
-         \n  c62: #00003e;\
-         \n  c63: #00003f;\
-         \n  c64: #000040;\
-         \n  c65: #000041;\
-         \n  c66: #000042;\
-         \n  c67: #000043;\
-         \n  c68: #000044;\
-         \n  c69: #000045;\
-         \n  c70: #000046;\
-         \n  c71: #000047;\
-         \n  c72: #000048;\
-         \n  c73: #000049;\
-         \n  c74: #00004a;\
-         \n  c75: #00004b;\
-         \n  c76: #00004c;\
-         \n  c77: #00004d;\
-         \n  c78: #00004e;\
-         \n  c79: #00004f;\
-         \n  c80: #000050;\
-         \n  c81: #000051;\
-         \n  c82: #000052;\
-         \n  c83: #000053;\
-         \n  c84: #000054;\
-         \n  c85: #000055;\
-         \n  c86: #000056;\
-         \n  c87: #000057;\
-         \n  c88: #000058;\
-         \n  c89: #000059;\
-         \n  c90: #00005a;\
-         \n  c91: #00005b;\
-         \n  c92: #00005c;\
-         \n  c93: #00005d;\
-         \n  c94: #00005e;\
-         \n  c95: #00005f;\
-         \n  c96: #000060;\
-         \n  c97: #000061;\
-         \n  c98: #000062;\
-         \n  c99: #000063;\
-         \n  c100: #000064;\
-         \n  c101: #000065;\
-         \n  c102: #000066;\
-         \n  c103: #000067;\
-         \n  c104: #000068;\
-         \n  c105: #000069;\
-         \n  c106: #00006a;\
-         \n  c107: #00006b;\
-         \n  c108: #00006c;\
-         \n  c109: #00006d;\
-         \n  c110: #00006e;\
-         \n  c111: #00006f;\
-         \n  c112: #000070;\
-         \n  c113: #000071;\
-         \n  c114: #000072;\
-         \n  c115: #000073;\
-         \n  c116: #000074;\
-         \n  c117: #000075;\
-         \n  c118: #000076;\
-         \n  c119: #000077;\
-         \n  c120: #000078;\
-         \n  c121: #000079;\
-         \n  c122: #00007a;\
-         \n  c123: #00007b;\
-         \n  c124: #00007c;\
-         \n  c125: #00007d;\
-         \n  c126: #00007e;\
-         \n  c127: #00007f;\
-         \n  c128: navy;\
-         \n  c129: #000081;\
-         \n  c130: #000082;\
-         \n  c131: #000083;\
-         \n  c132: #000084;\
-         \n  c133: #000085;\
-         \n  c134: #000086;\
-         \n  c135: #000087;\
-         \n  c136: #000088;\
-         \n  c137: #000089;\
-         \n  c138: #00008a;\
-         \n  c139: darkblue;\
-         \n  c140: #00008c;\
-         \n  c141: #00008d;\
-         \n  c142: #00008e;\
-         \n  c143: #00008f;\
-         \n  c144: #000090;\
-         \n  c145: #000091;\
-         \n  c146: #000092;\
-         \n  c147: #000093;\
-         \n  c148: #000094;\
-         \n  c149: #000095;\
-         \n  c150: #000096;\
-         \n  c151: #000097;\
-         \n  c152: #000098;\
-         \n  c153: #000099;\
-         \n  c154: #00009a;\
-         \n  c155: #00009b;\
-         \n  c156: #00009c;\
-         \n  c157: #00009d;\
-         \n  c158: #00009e;\
-         \n  c159: #00009f;\
-         \n  c160: #0000a0;\
-         \n  c161: #0000a1;\
-         \n  c162: #0000a2;\
-         \n  c163: #0000a3;\
-         \n  c164: #0000a4;\
-         \n  c165: #0000a5;\
-         \n  c166: #0000a6;\
-         \n  c167: #0000a7;\
-         \n  c168: #0000a8;\
-         \n  c169: #0000a9;\
-         \n  c170: #0000aa;\
-         \n  c171: #0000ab;\
-         \n  c172: #0000ac;\
-         \n  c173: #0000ad;\
-         \n  c174: #0000ae;\
-         \n  c175: #0000af;\
-         \n  c176: #0000b0;\
-         \n  c177: #0000b1;\
-         \n  c178: #0000b2;\
-         \n  c179: #0000b3;\
-         \n  c180: #0000b4;\
-         \n  c181: #0000b5;\
-         \n  c182: #0000b6;\
-         \n  c183: #0000b7;\
-         \n  c184: #0000b8;\
-         \n  c185: #0000b9;\
-         \n  c186: #0000ba;\
-         \n  c187: #0000bb;\
-         \n  c188: #0000bc;\
-         \n  c189: #0000bd;\
-         \n  c190: #0000be;\
-         \n  c191: #0000bf;\
-         \n  c192: #0000c0;\
-         \n  c193: #0000c1;\
-         \n  c194: #0000c2;\
-         \n  c195: #0000c3;\
-         \n  c196: #0000c4;\
-         \n  c197: #0000c5;\
-         \n  c198: #0000c6;\
-         \n  c199: #0000c7;\
-         \n  c200: #0000c8;\
-         \n  c201: #0000c9;\
-         \n  c202: #0000ca;\
-         \n  c203: #0000cb;\
-         \n  c204: #0000cc;\
-         \n  c205: mediumblue;\
-         \n  c206: #0000ce;\
-         \n  c207: #0000cf;\
-         \n  c208: #0000d0;\
-         \n  c209: #0000d1;\
-         \n  c210: #0000d2;\
-         \n  c211: #0000d3;\
-         \n  c212: #0000d4;\
-         \n  c213: #0000d5;\
-         \n  c214: #0000d6;\
-         \n  c215: #0000d7;\
-         \n  c216: #0000d8;\
-         \n  c217: #0000d9;\
-         \n  c218: #0000da;\
-         \n  c219: #0000db;\
-         \n  c220: #0000dc;\
-         \n  c221: #0000dd;\
-         \n  c222: #0000de;\
-         \n  c223: #0000df;\
-         \n  c224: #0000e0;\
-         \n  c225: #0000e1;\
-         \n  c226: #0000e2;\
-         \n  c227: #0000e3;\
-         \n  c228: #0000e4;\
-         \n  c229: #0000e5;\
-         \n  c230: #0000e6;\
-         \n  c231: #0000e7;\
-         \n  c232: #0000e8;\
-         \n  c233: #0000e9;\
-         \n  c234: #0000ea;\
-         \n  c235: #0000eb;\
-         \n  c236: #0000ec;\
-         \n  c237: #0000ed;\
-         \n  c238: #0000ee;\
-         \n  c239: #0000ef;\
-         \n  c240: #0000f0;\
-         \n  c241: #0000f1;\
-         \n  c242: #0000f2;\
-         \n  c243: #0000f3;\
-         \n  c244: #0000f4;\
-         \n  c245: #0000f5;\
-         \n  c246: #0000f6;\
-         \n  c247: #0000f7;\
-         \n  c248: #0000f8;\
-         \n  c249: #0000f9;\
-         \n  c250: #0000fa;\
-         \n  c251: #0000fb;\
-         \n  c252: #0000fc;\
-         \n  c253: #0000fd;\
-         \n  c254: #0000fe;\
-         \n  c255: blue;\
-         \n  c256: blue;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 0, 1);\
+         \n  c2: rgb(0, 0, 2);\
+         \n  c3: rgb(0, 0, 3);\
+         \n  c4: rgb(0, 0, 4);\
+         \n  c5: rgb(0, 0, 5);\
+         \n  c6: rgb(0, 0, 6);\
+         \n  c7: rgb(0, 0, 7);\
+         \n  c8: rgb(0, 0, 8);\
+         \n  c9: rgb(0, 0, 9);\
+         \n  c10: rgb(0, 0, 10);\
+         \n  c11: rgb(0, 0, 11);\
+         \n  c12: rgb(0, 0, 12);\
+         \n  c13: rgb(0, 0, 13);\
+         \n  c14: rgb(0, 0, 14);\
+         \n  c15: rgb(0, 0, 15);\
+         \n  c16: rgb(0, 0, 16);\
+         \n  c17: rgb(0, 0, 17);\
+         \n  c18: rgb(0, 0, 18);\
+         \n  c19: rgb(0, 0, 19);\
+         \n  c20: rgb(0, 0, 20);\
+         \n  c21: rgb(0, 0, 21);\
+         \n  c22: rgb(0, 0, 22);\
+         \n  c23: rgb(0, 0, 23);\
+         \n  c24: rgb(0, 0, 24);\
+         \n  c25: rgb(0, 0, 25);\
+         \n  c26: rgb(0, 0, 26);\
+         \n  c27: rgb(0, 0, 27);\
+         \n  c28: rgb(0, 0, 28);\
+         \n  c29: rgb(0, 0, 29);\
+         \n  c30: rgb(0, 0, 30);\
+         \n  c31: rgb(0, 0, 31);\
+         \n  c32: rgb(0, 0, 32);\
+         \n  c33: rgb(0, 0, 33);\
+         \n  c34: rgb(0, 0, 34);\
+         \n  c35: rgb(0, 0, 35);\
+         \n  c36: rgb(0, 0, 36);\
+         \n  c37: rgb(0, 0, 37);\
+         \n  c38: rgb(0, 0, 38);\
+         \n  c39: rgb(0, 0, 39);\
+         \n  c40: rgb(0, 0, 40);\
+         \n  c41: rgb(0, 0, 41);\
+         \n  c42: rgb(0, 0, 42);\
+         \n  c43: rgb(0, 0, 43);\
+         \n  c44: rgb(0, 0, 44);\
+         \n  c45: rgb(0, 0, 45);\
+         \n  c46: rgb(0, 0, 46);\
+         \n  c47: rgb(0, 0, 47);\
+         \n  c48: rgb(0, 0, 48);\
+         \n  c49: rgb(0, 0, 49);\
+         \n  c50: rgb(0, 0, 50);\
+         \n  c51: rgb(0, 0, 51);\
+         \n  c52: rgb(0, 0, 52);\
+         \n  c53: rgb(0, 0, 53);\
+         \n  c54: rgb(0, 0, 54);\
+         \n  c55: rgb(0, 0, 55);\
+         \n  c56: rgb(0, 0, 56);\
+         \n  c57: rgb(0, 0, 57);\
+         \n  c58: rgb(0, 0, 58);\
+         \n  c59: rgb(0, 0, 59);\
+         \n  c60: rgb(0, 0, 60);\
+         \n  c61: rgb(0, 0, 61);\
+         \n  c62: rgb(0, 0, 62);\
+         \n  c63: rgb(0, 0, 63);\
+         \n  c64: rgb(0, 0, 64);\
+         \n  c65: rgb(0, 0, 65);\
+         \n  c66: rgb(0, 0, 66);\
+         \n  c67: rgb(0, 0, 67);\
+         \n  c68: rgb(0, 0, 68);\
+         \n  c69: rgb(0, 0, 69);\
+         \n  c70: rgb(0, 0, 70);\
+         \n  c71: rgb(0, 0, 71);\
+         \n  c72: rgb(0, 0, 72);\
+         \n  c73: rgb(0, 0, 73);\
+         \n  c74: rgb(0, 0, 74);\
+         \n  c75: rgb(0, 0, 75);\
+         \n  c76: rgb(0, 0, 76);\
+         \n  c77: rgb(0, 0, 77);\
+         \n  c78: rgb(0, 0, 78);\
+         \n  c79: rgb(0, 0, 79);\
+         \n  c80: rgb(0, 0, 80);\
+         \n  c81: rgb(0, 0, 81);\
+         \n  c82: rgb(0, 0, 82);\
+         \n  c83: rgb(0, 0, 83);\
+         \n  c84: rgb(0, 0, 84);\
+         \n  c85: rgb(0, 0, 85);\
+         \n  c86: rgb(0, 0, 86);\
+         \n  c87: rgb(0, 0, 87);\
+         \n  c88: rgb(0, 0, 88);\
+         \n  c89: rgb(0, 0, 89);\
+         \n  c90: rgb(0, 0, 90);\
+         \n  c91: rgb(0, 0, 91);\
+         \n  c92: rgb(0, 0, 92);\
+         \n  c93: rgb(0, 0, 93);\
+         \n  c94: rgb(0, 0, 94);\
+         \n  c95: rgb(0, 0, 95);\
+         \n  c96: rgb(0, 0, 96);\
+         \n  c97: rgb(0, 0, 97);\
+         \n  c98: rgb(0, 0, 98);\
+         \n  c99: rgb(0, 0, 99);\
+         \n  c100: rgb(0, 0, 100);\
+         \n  c101: rgb(0, 0, 101);\
+         \n  c102: rgb(0, 0, 102);\
+         \n  c103: rgb(0, 0, 103);\
+         \n  c104: rgb(0, 0, 104);\
+         \n  c105: rgb(0, 0, 105);\
+         \n  c106: rgb(0, 0, 106);\
+         \n  c107: rgb(0, 0, 107);\
+         \n  c108: rgb(0, 0, 108);\
+         \n  c109: rgb(0, 0, 109);\
+         \n  c110: rgb(0, 0, 110);\
+         \n  c111: rgb(0, 0, 111);\
+         \n  c112: rgb(0, 0, 112);\
+         \n  c113: rgb(0, 0, 113);\
+         \n  c114: rgb(0, 0, 114);\
+         \n  c115: rgb(0, 0, 115);\
+         \n  c116: rgb(0, 0, 116);\
+         \n  c117: rgb(0, 0, 117);\
+         \n  c118: rgb(0, 0, 118);\
+         \n  c119: rgb(0, 0, 119);\
+         \n  c120: rgb(0, 0, 120);\
+         \n  c121: rgb(0, 0, 121);\
+         \n  c122: rgb(0, 0, 122);\
+         \n  c123: rgb(0, 0, 123);\
+         \n  c124: rgb(0, 0, 124);\
+         \n  c125: rgb(0, 0, 125);\
+         \n  c126: rgb(0, 0, 126);\
+         \n  c127: rgb(0, 0, 127);\
+         \n  c128: rgb(0, 0, 128);\
+         \n  c129: rgb(0, 0, 129);\
+         \n  c130: rgb(0, 0, 130);\
+         \n  c131: rgb(0, 0, 131);\
+         \n  c132: rgb(0, 0, 132);\
+         \n  c133: rgb(0, 0, 133);\
+         \n  c134: rgb(0, 0, 134);\
+         \n  c135: rgb(0, 0, 135);\
+         \n  c136: rgb(0, 0, 136);\
+         \n  c137: rgb(0, 0, 137);\
+         \n  c138: rgb(0, 0, 138);\
+         \n  c139: rgb(0, 0, 139);\
+         \n  c140: rgb(0, 0, 140);\
+         \n  c141: rgb(0, 0, 141);\
+         \n  c142: rgb(0, 0, 142);\
+         \n  c143: rgb(0, 0, 143);\
+         \n  c144: rgb(0, 0, 144);\
+         \n  c145: rgb(0, 0, 145);\
+         \n  c146: rgb(0, 0, 146);\
+         \n  c147: rgb(0, 0, 147);\
+         \n  c148: rgb(0, 0, 148);\
+         \n  c149: rgb(0, 0, 149);\
+         \n  c150: rgb(0, 0, 150);\
+         \n  c151: rgb(0, 0, 151);\
+         \n  c152: rgb(0, 0, 152);\
+         \n  c153: rgb(0, 0, 153);\
+         \n  c154: rgb(0, 0, 154);\
+         \n  c155: rgb(0, 0, 155);\
+         \n  c156: rgb(0, 0, 156);\
+         \n  c157: rgb(0, 0, 157);\
+         \n  c158: rgb(0, 0, 158);\
+         \n  c159: rgb(0, 0, 159);\
+         \n  c160: rgb(0, 0, 160);\
+         \n  c161: rgb(0, 0, 161);\
+         \n  c162: rgb(0, 0, 162);\
+         \n  c163: rgb(0, 0, 163);\
+         \n  c164: rgb(0, 0, 164);\
+         \n  c165: rgb(0, 0, 165);\
+         \n  c166: rgb(0, 0, 166);\
+         \n  c167: rgb(0, 0, 167);\
+         \n  c168: rgb(0, 0, 168);\
+         \n  c169: rgb(0, 0, 169);\
+         \n  c170: rgb(0, 0, 170);\
+         \n  c171: rgb(0, 0, 171);\
+         \n  c172: rgb(0, 0, 172);\
+         \n  c173: rgb(0, 0, 173);\
+         \n  c174: rgb(0, 0, 174);\
+         \n  c175: rgb(0, 0, 175);\
+         \n  c176: rgb(0, 0, 176);\
+         \n  c177: rgb(0, 0, 177);\
+         \n  c178: rgb(0, 0, 178);\
+         \n  c179: rgb(0, 0, 179);\
+         \n  c180: rgb(0, 0, 180);\
+         \n  c181: rgb(0, 0, 181);\
+         \n  c182: rgb(0, 0, 182);\
+         \n  c183: rgb(0, 0, 183);\
+         \n  c184: rgb(0, 0, 184);\
+         \n  c185: rgb(0, 0, 185);\
+         \n  c186: rgb(0, 0, 186);\
+         \n  c187: rgb(0, 0, 187);\
+         \n  c188: rgb(0, 0, 188);\
+         \n  c189: rgb(0, 0, 189);\
+         \n  c190: rgb(0, 0, 190);\
+         \n  c191: rgb(0, 0, 191);\
+         \n  c192: rgb(0, 0, 192);\
+         \n  c193: rgb(0, 0, 193);\
+         \n  c194: rgb(0, 0, 194);\
+         \n  c195: rgb(0, 0, 195);\
+         \n  c196: rgb(0, 0, 196);\
+         \n  c197: rgb(0, 0, 197);\
+         \n  c198: rgb(0, 0, 198);\
+         \n  c199: rgb(0, 0, 199);\
+         \n  c200: rgb(0, 0, 200);\
+         \n  c201: rgb(0, 0, 201);\
+         \n  c202: rgb(0, 0, 202);\
+         \n  c203: rgb(0, 0, 203);\
+         \n  c204: rgb(0, 0, 204);\
+         \n  c205: rgb(0, 0, 205);\
+         \n  c206: rgb(0, 0, 206);\
+         \n  c207: rgb(0, 0, 207);\
+         \n  c208: rgb(0, 0, 208);\
+         \n  c209: rgb(0, 0, 209);\
+         \n  c210: rgb(0, 0, 210);\
+         \n  c211: rgb(0, 0, 211);\
+         \n  c212: rgb(0, 0, 212);\
+         \n  c213: rgb(0, 0, 213);\
+         \n  c214: rgb(0, 0, 214);\
+         \n  c215: rgb(0, 0, 215);\
+         \n  c216: rgb(0, 0, 216);\
+         \n  c217: rgb(0, 0, 217);\
+         \n  c218: rgb(0, 0, 218);\
+         \n  c219: rgb(0, 0, 219);\
+         \n  c220: rgb(0, 0, 220);\
+         \n  c221: rgb(0, 0, 221);\
+         \n  c222: rgb(0, 0, 222);\
+         \n  c223: rgb(0, 0, 223);\
+         \n  c224: rgb(0, 0, 224);\
+         \n  c225: rgb(0, 0, 225);\
+         \n  c226: rgb(0, 0, 226);\
+         \n  c227: rgb(0, 0, 227);\
+         \n  c228: rgb(0, 0, 228);\
+         \n  c229: rgb(0, 0, 229);\
+         \n  c230: rgb(0, 0, 230);\
+         \n  c231: rgb(0, 0, 231);\
+         \n  c232: rgb(0, 0, 232);\
+         \n  c233: rgb(0, 0, 233);\
+         \n  c234: rgb(0, 0, 234);\
+         \n  c235: rgb(0, 0, 235);\
+         \n  c236: rgb(0, 0, 236);\
+         \n  c237: rgb(0, 0, 237);\
+         \n  c238: rgb(0, 0, 238);\
+         \n  c239: rgb(0, 0, 239);\
+         \n  c240: rgb(0, 0, 240);\
+         \n  c241: rgb(0, 0, 241);\
+         \n  c242: rgb(0, 0, 242);\
+         \n  c243: rgb(0, 0, 243);\
+         \n  c244: rgb(0, 0, 244);\
+         \n  c245: rgb(0, 0, 245);\
+         \n  c246: rgb(0, 0, 246);\
+         \n  c247: rgb(0, 0, 247);\
+         \n  c248: rgb(0, 0, 248);\
+         \n  c249: rgb(0, 0, 249);\
+         \n  c250: rgb(0, 0, 250);\
+         \n  c251: rgb(0, 0, 251);\
+         \n  c252: rgb(0, 0, 252);\
+         \n  c253: rgb(0, 0, 253);\
+         \n  c254: rgb(0, 0, 254);\
+         \n  c255: rgb(0, 0, 255);\
+         \n  c256: rgb(0, 0, 255);\
          \n}\
          \nfoo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000003;\
-         \n  c2: #000005;\
-         \n  c3: #000008;\
-         \n  c4: #00000a;\
-         \n  c5: #00000d;\
-         \n  c6: #00000f;\
-         \n  c7: #000012;\
-         \n  c8: #000014;\
-         \n  c9: #000017;\
-         \n  c10: #00001a;\
-         \n  c11: #00001c;\
-         \n  c12: #00001f;\
-         \n  c13: #000021;\
-         \n  c14: #000024;\
-         \n  c15: #000026;\
-         \n  c16: #000029;\
-         \n  c17: #00002b;\
-         \n  c18: #00002e;\
-         \n  c19: #000030;\
-         \n  c20: #000033;\
-         \n  c21: #000036;\
-         \n  c22: #000038;\
-         \n  c23: #00003b;\
-         \n  c24: #00003d;\
-         \n  c25: #000040;\
-         \n  c26: #000042;\
-         \n  c27: #000045;\
-         \n  c28: #000047;\
-         \n  c29: #00004a;\
-         \n  c30: #00004d;\
-         \n  c31: #00004f;\
-         \n  c32: #000052;\
-         \n  c33: #000054;\
-         \n  c34: #000057;\
-         \n  c35: #000059;\
-         \n  c36: #00005c;\
-         \n  c37: #00005e;\
-         \n  c38: #000061;\
-         \n  c39: #000063;\
-         \n  c40: #000066;\
-         \n  c41: #000069;\
-         \n  c42: #00006b;\
-         \n  c43: #00006e;\
-         \n  c44: #000070;\
-         \n  c45: #000073;\
-         \n  c46: #000075;\
-         \n  c47: #000078;\
-         \n  c48: #00007a;\
-         \n  c49: #00007d;\
-         \n  c50: navy;\
-         \n  c51: #000082;\
-         \n  c52: #000085;\
-         \n  c53: #000087;\
-         \n  c54: #00008a;\
-         \n  c55: #00008c;\
-         \n  c56: #00008f;\
-         \n  c57: #000091;\
-         \n  c58: #000094;\
-         \n  c59: #000096;\
-         \n  c60: #000099;\
-         \n  c61: #00009c;\
-         \n  c62: #00009e;\
-         \n  c63: #0000a1;\
-         \n  c64: #0000a3;\
-         \n  c65: #0000a6;\
-         \n  c66: #0000a8;\
-         \n  c67: #0000ab;\
-         \n  c68: #0000ad;\
-         \n  c69: #0000b0;\
-         \n  c70: #0000b3;\
-         \n  c71: #0000b5;\
-         \n  c72: #0000b8;\
-         \n  c73: #0000ba;\
-         \n  c74: #0000bd;\
-         \n  c75: #0000bf;\
-         \n  c76: #0000c2;\
-         \n  c77: #0000c4;\
-         \n  c78: #0000c7;\
-         \n  c79: #0000c9;\
-         \n  c80: #0000cc;\
-         \n  c81: #0000cf;\
-         \n  c82: #0000d1;\
-         \n  c83: #0000d4;\
-         \n  c84: #0000d6;\
-         \n  c85: #0000d9;\
-         \n  c86: #0000db;\
-         \n  c87: #0000de;\
-         \n  c88: #0000e0;\
-         \n  c89: #0000e3;\
-         \n  c90: #0000e6;\
-         \n  c91: #0000e8;\
-         \n  c92: #0000eb;\
-         \n  c93: #0000ed;\
-         \n  c94: #0000f0;\
-         \n  c95: #0000f2;\
-         \n  c96: #0000f5;\
-         \n  c97: #0000f7;\
-         \n  c98: #0000fa;\
-         \n  c99: #0000fc;\
-         \n  c100: blue;\
-         \n  c101: blue;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 0, 3);\
+         \n  c2: rgb(0, 0, 5);\
+         \n  c3: rgb(0, 0, 8);\
+         \n  c4: rgb(0, 0, 10);\
+         \n  c5: rgb(0, 0, 13);\
+         \n  c6: rgb(0, 0, 15);\
+         \n  c7: rgb(0, 0, 18);\
+         \n  c8: rgb(0, 0, 20);\
+         \n  c9: rgb(0, 0, 23);\
+         \n  c10: rgb(0, 0, 26);\
+         \n  c11: rgb(0, 0, 28);\
+         \n  c12: rgb(0, 0, 31);\
+         \n  c13: rgb(0, 0, 33);\
+         \n  c14: rgb(0, 0, 36);\
+         \n  c15: rgb(0, 0, 38);\
+         \n  c16: rgb(0, 0, 41);\
+         \n  c17: rgb(0, 0, 43);\
+         \n  c18: rgb(0, 0, 46);\
+         \n  c19: rgb(0, 0, 48);\
+         \n  c20: rgb(0, 0, 51);\
+         \n  c21: rgb(0, 0, 54);\
+         \n  c22: rgb(0, 0, 56);\
+         \n  c23: rgb(0, 0, 59);\
+         \n  c24: rgb(0, 0, 61);\
+         \n  c25: rgb(0, 0, 64);\
+         \n  c26: rgb(0, 0, 66);\
+         \n  c27: rgb(0, 0, 69);\
+         \n  c28: rgb(0, 0, 71);\
+         \n  c29: rgb(0, 0, 74);\
+         \n  c30: rgb(0, 0, 77);\
+         \n  c31: rgb(0, 0, 79);\
+         \n  c32: rgb(0, 0, 82);\
+         \n  c33: rgb(0, 0, 84);\
+         \n  c34: rgb(0, 0, 87);\
+         \n  c35: rgb(0, 0, 89);\
+         \n  c36: rgb(0, 0, 92);\
+         \n  c37: rgb(0, 0, 94);\
+         \n  c38: rgb(0, 0, 97);\
+         \n  c39: rgb(0, 0, 99);\
+         \n  c40: rgb(0, 0, 102);\
+         \n  c41: rgb(0, 0, 105);\
+         \n  c42: rgb(0, 0, 107);\
+         \n  c43: rgb(0, 0, 110);\
+         \n  c44: rgb(0, 0, 112);\
+         \n  c45: rgb(0, 0, 115);\
+         \n  c46: rgb(0, 0, 117);\
+         \n  c47: rgb(0, 0, 120);\
+         \n  c48: rgb(0, 0, 122);\
+         \n  c49: rgb(0, 0, 125);\
+         \n  c50: rgb(0, 0, 128);\
+         \n  c51: rgb(0, 0, 130);\
+         \n  c52: rgb(0, 0, 133);\
+         \n  c53: rgb(0, 0, 135);\
+         \n  c54: rgb(0, 0, 138);\
+         \n  c55: rgb(0, 0, 140);\
+         \n  c56: rgb(0, 0, 143);\
+         \n  c57: rgb(0, 0, 145);\
+         \n  c58: rgb(0, 0, 148);\
+         \n  c59: rgb(0, 0, 150);\
+         \n  c60: rgb(0, 0, 153);\
+         \n  c61: rgb(0, 0, 156);\
+         \n  c62: rgb(0, 0, 158);\
+         \n  c63: rgb(0, 0, 161);\
+         \n  c64: rgb(0, 0, 163);\
+         \n  c65: rgb(0, 0, 166);\
+         \n  c66: rgb(0, 0, 168);\
+         \n  c67: rgb(0, 0, 171);\
+         \n  c68: rgb(0, 0, 173);\
+         \n  c69: rgb(0, 0, 176);\
+         \n  c70: rgb(0, 0, 179);\
+         \n  c71: rgb(0, 0, 181);\
+         \n  c72: rgb(0, 0, 184);\
+         \n  c73: rgb(0, 0, 186);\
+         \n  c74: rgb(0, 0, 189);\
+         \n  c75: rgb(0, 0, 191);\
+         \n  c76: rgb(0, 0, 194);\
+         \n  c77: rgb(0, 0, 196);\
+         \n  c78: rgb(0, 0, 199);\
+         \n  c79: rgb(0, 0, 201);\
+         \n  c80: rgb(0, 0, 204);\
+         \n  c81: rgb(0, 0, 207);\
+         \n  c82: rgb(0, 0, 209);\
+         \n  c83: rgb(0, 0, 212);\
+         \n  c84: rgb(0, 0, 214);\
+         \n  c85: rgb(0, 0, 217);\
+         \n  c86: rgb(0, 0, 219);\
+         \n  c87: rgb(0, 0, 222);\
+         \n  c88: rgb(0, 0, 224);\
+         \n  c89: rgb(0, 0, 227);\
+         \n  c90: rgb(0, 0, 230);\
+         \n  c91: rgb(0, 0, 232);\
+         \n  c92: rgb(0, 0, 235);\
+         \n  c93: rgb(0, 0, 237);\
+         \n  c94: rgb(0, 0, 240);\
+         \n  c95: rgb(0, 0, 242);\
+         \n  c96: rgb(0, 0, 245);\
+         \n  c97: rgb(0, 0, 247);\
+         \n  c98: rgb(0, 0, 250);\
+         \n  c99: rgb(0, 0, 252);\
+         \n  c100: rgb(0, 0, 255);\
+         \n  c101: rgb(0, 0, 255);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/color_functions/rgb/rgba/g.rs b/tests/spec/libsass/color_functions/rgb/rgba/g.rs
index 75f598242..ced0313d4 100644
--- a/tests/spec/libsass/color_functions/rgb/rgba/g.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgba/g.rs
@@ -374,369 +374,369 @@ fn test() {
              \n  c101: rgba(0,101%,0,1);\
              \n}\n"),
         "foo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000100;\
-         \n  c2: #000200;\
-         \n  c3: #000300;\
-         \n  c4: #000400;\
-         \n  c5: #000500;\
-         \n  c6: #000600;\
-         \n  c7: #000700;\
-         \n  c8: #000800;\
-         \n  c9: #000900;\
-         \n  c10: #000a00;\
-         \n  c11: #000b00;\
-         \n  c12: #000c00;\
-         \n  c13: #000d00;\
-         \n  c14: #000e00;\
-         \n  c15: #000f00;\
-         \n  c16: #001000;\
-         \n  c17: #001100;\
-         \n  c18: #001200;\
-         \n  c19: #001300;\
-         \n  c20: #001400;\
-         \n  c21: #001500;\
-         \n  c22: #001600;\
-         \n  c23: #001700;\
-         \n  c24: #001800;\
-         \n  c25: #001900;\
-         \n  c26: #001a00;\
-         \n  c27: #001b00;\
-         \n  c28: #001c00;\
-         \n  c29: #001d00;\
-         \n  c30: #001e00;\
-         \n  c31: #001f00;\
-         \n  c32: #002000;\
-         \n  c33: #002100;\
-         \n  c34: #002200;\
-         \n  c35: #002300;\
-         \n  c36: #002400;\
-         \n  c37: #002500;\
-         \n  c38: #002600;\
-         \n  c39: #002700;\
-         \n  c40: #002800;\
-         \n  c41: #002900;\
-         \n  c42: #002a00;\
-         \n  c43: #002b00;\
-         \n  c44: #002c00;\
-         \n  c45: #002d00;\
-         \n  c46: #002e00;\
-         \n  c47: #002f00;\
-         \n  c48: #003000;\
-         \n  c49: #003100;\
-         \n  c50: #003200;\
-         \n  c51: #003300;\
-         \n  c52: #003400;\
-         \n  c53: #003500;\
-         \n  c54: #003600;\
-         \n  c55: #003700;\
-         \n  c56: #003800;\
-         \n  c57: #003900;\
-         \n  c58: #003a00;\
-         \n  c59: #003b00;\
-         \n  c60: #003c00;\
-         \n  c61: #003d00;\
-         \n  c62: #003e00;\
-         \n  c63: #003f00;\
-         \n  c64: #004000;\
-         \n  c65: #004100;\
-         \n  c66: #004200;\
-         \n  c67: #004300;\
-         \n  c68: #004400;\
-         \n  c69: #004500;\
-         \n  c70: #004600;\
-         \n  c71: #004700;\
-         \n  c72: #004800;\
-         \n  c73: #004900;\
-         \n  c74: #004a00;\
-         \n  c75: #004b00;\
-         \n  c76: #004c00;\
-         \n  c77: #004d00;\
-         \n  c78: #004e00;\
-         \n  c79: #004f00;\
-         \n  c80: #005000;\
-         \n  c81: #005100;\
-         \n  c82: #005200;\
-         \n  c83: #005300;\
-         \n  c84: #005400;\
-         \n  c85: #005500;\
-         \n  c86: #005600;\
-         \n  c87: #005700;\
-         \n  c88: #005800;\
-         \n  c89: #005900;\
-         \n  c90: #005a00;\
-         \n  c91: #005b00;\
-         \n  c92: #005c00;\
-         \n  c93: #005d00;\
-         \n  c94: #005e00;\
-         \n  c95: #005f00;\
-         \n  c96: #006000;\
-         \n  c97: #006100;\
-         \n  c98: #006200;\
-         \n  c99: #006300;\
-         \n  c100: darkgreen;\
-         \n  c101: #006500;\
-         \n  c102: #006600;\
-         \n  c103: #006700;\
-         \n  c104: #006800;\
-         \n  c105: #006900;\
-         \n  c106: #006a00;\
-         \n  c107: #006b00;\
-         \n  c108: #006c00;\
-         \n  c109: #006d00;\
-         \n  c110: #006e00;\
-         \n  c111: #006f00;\
-         \n  c112: #007000;\
-         \n  c113: #007100;\
-         \n  c114: #007200;\
-         \n  c115: #007300;\
-         \n  c116: #007400;\
-         \n  c117: #007500;\
-         \n  c118: #007600;\
-         \n  c119: #007700;\
-         \n  c120: #007800;\
-         \n  c121: #007900;\
-         \n  c122: #007a00;\
-         \n  c123: #007b00;\
-         \n  c124: #007c00;\
-         \n  c125: #007d00;\
-         \n  c126: #007e00;\
-         \n  c127: #007f00;\
-         \n  c128: green;\
-         \n  c129: #008100;\
-         \n  c130: #008200;\
-         \n  c131: #008300;\
-         \n  c132: #008400;\
-         \n  c133: #008500;\
-         \n  c134: #008600;\
-         \n  c135: #008700;\
-         \n  c136: #008800;\
-         \n  c137: #008900;\
-         \n  c138: #008a00;\
-         \n  c139: #008b00;\
-         \n  c140: #008c00;\
-         \n  c141: #008d00;\
-         \n  c142: #008e00;\
-         \n  c143: #008f00;\
-         \n  c144: #009000;\
-         \n  c145: #009100;\
-         \n  c146: #009200;\
-         \n  c147: #009300;\
-         \n  c148: #009400;\
-         \n  c149: #009500;\
-         \n  c150: #009600;\
-         \n  c151: #009700;\
-         \n  c152: #009800;\
-         \n  c153: #009900;\
-         \n  c154: #009a00;\
-         \n  c155: #009b00;\
-         \n  c156: #009c00;\
-         \n  c157: #009d00;\
-         \n  c158: #009e00;\
-         \n  c159: #009f00;\
-         \n  c160: #00a000;\
-         \n  c161: #00a100;\
-         \n  c162: #00a200;\
-         \n  c163: #00a300;\
-         \n  c164: #00a400;\
-         \n  c165: #00a500;\
-         \n  c166: #00a600;\
-         \n  c167: #00a700;\
-         \n  c168: #00a800;\
-         \n  c169: #00a900;\
-         \n  c170: #00aa00;\
-         \n  c171: #00ab00;\
-         \n  c172: #00ac00;\
-         \n  c173: #00ad00;\
-         \n  c174: #00ae00;\
-         \n  c175: #00af00;\
-         \n  c176: #00b000;\
-         \n  c177: #00b100;\
-         \n  c178: #00b200;\
-         \n  c179: #00b300;\
-         \n  c180: #00b400;\
-         \n  c181: #00b500;\
-         \n  c182: #00b600;\
-         \n  c183: #00b700;\
-         \n  c184: #00b800;\
-         \n  c185: #00b900;\
-         \n  c186: #00ba00;\
-         \n  c187: #00bb00;\
-         \n  c188: #00bc00;\
-         \n  c189: #00bd00;\
-         \n  c190: #00be00;\
-         \n  c191: #00bf00;\
-         \n  c192: #00c000;\
-         \n  c193: #00c100;\
-         \n  c194: #00c200;\
-         \n  c195: #00c300;\
-         \n  c196: #00c400;\
-         \n  c197: #00c500;\
-         \n  c198: #00c600;\
-         \n  c199: #00c700;\
-         \n  c200: #00c800;\
-         \n  c201: #00c900;\
-         \n  c202: #00ca00;\
-         \n  c203: #00cb00;\
-         \n  c204: #00cc00;\
-         \n  c205: #00cd00;\
-         \n  c206: #00ce00;\
-         \n  c207: #00cf00;\
-         \n  c208: #00d000;\
-         \n  c209: #00d100;\
-         \n  c210: #00d200;\
-         \n  c211: #00d300;\
-         \n  c212: #00d400;\
-         \n  c213: #00d500;\
-         \n  c214: #00d600;\
-         \n  c215: #00d700;\
-         \n  c216: #00d800;\
-         \n  c217: #00d900;\
-         \n  c218: #00da00;\
-         \n  c219: #00db00;\
-         \n  c220: #00dc00;\
-         \n  c221: #00dd00;\
-         \n  c222: #00de00;\
-         \n  c223: #00df00;\
-         \n  c224: #00e000;\
-         \n  c225: #00e100;\
-         \n  c226: #00e200;\
-         \n  c227: #00e300;\
-         \n  c228: #00e400;\
-         \n  c229: #00e500;\
-         \n  c230: #00e600;\
-         \n  c231: #00e700;\
-         \n  c232: #00e800;\
-         \n  c233: #00e900;\
-         \n  c234: #00ea00;\
-         \n  c235: #00eb00;\
-         \n  c236: #00ec00;\
-         \n  c237: #00ed00;\
-         \n  c238: #00ee00;\
-         \n  c239: #00ef00;\
-         \n  c240: #00f000;\
-         \n  c241: #00f100;\
-         \n  c242: #00f200;\
-         \n  c243: #00f300;\
-         \n  c244: #00f400;\
-         \n  c245: #00f500;\
-         \n  c246: #00f600;\
-         \n  c247: #00f700;\
-         \n  c248: #00f800;\
-         \n  c249: #00f900;\
-         \n  c250: #00fa00;\
-         \n  c251: #00fb00;\
-         \n  c252: #00fc00;\
-         \n  c253: #00fd00;\
-         \n  c254: #00fe00;\
-         \n  c255: lime;\
-         \n  c256: lime;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 1, 0);\
+         \n  c2: rgb(0, 2, 0);\
+         \n  c3: rgb(0, 3, 0);\
+         \n  c4: rgb(0, 4, 0);\
+         \n  c5: rgb(0, 5, 0);\
+         \n  c6: rgb(0, 6, 0);\
+         \n  c7: rgb(0, 7, 0);\
+         \n  c8: rgb(0, 8, 0);\
+         \n  c9: rgb(0, 9, 0);\
+         \n  c10: rgb(0, 10, 0);\
+         \n  c11: rgb(0, 11, 0);\
+         \n  c12: rgb(0, 12, 0);\
+         \n  c13: rgb(0, 13, 0);\
+         \n  c14: rgb(0, 14, 0);\
+         \n  c15: rgb(0, 15, 0);\
+         \n  c16: rgb(0, 16, 0);\
+         \n  c17: rgb(0, 17, 0);\
+         \n  c18: rgb(0, 18, 0);\
+         \n  c19: rgb(0, 19, 0);\
+         \n  c20: rgb(0, 20, 0);\
+         \n  c21: rgb(0, 21, 0);\
+         \n  c22: rgb(0, 22, 0);\
+         \n  c23: rgb(0, 23, 0);\
+         \n  c24: rgb(0, 24, 0);\
+         \n  c25: rgb(0, 25, 0);\
+         \n  c26: rgb(0, 26, 0);\
+         \n  c27: rgb(0, 27, 0);\
+         \n  c28: rgb(0, 28, 0);\
+         \n  c29: rgb(0, 29, 0);\
+         \n  c30: rgb(0, 30, 0);\
+         \n  c31: rgb(0, 31, 0);\
+         \n  c32: rgb(0, 32, 0);\
+         \n  c33: rgb(0, 33, 0);\
+         \n  c34: rgb(0, 34, 0);\
+         \n  c35: rgb(0, 35, 0);\
+         \n  c36: rgb(0, 36, 0);\
+         \n  c37: rgb(0, 37, 0);\
+         \n  c38: rgb(0, 38, 0);\
+         \n  c39: rgb(0, 39, 0);\
+         \n  c40: rgb(0, 40, 0);\
+         \n  c41: rgb(0, 41, 0);\
+         \n  c42: rgb(0, 42, 0);\
+         \n  c43: rgb(0, 43, 0);\
+         \n  c44: rgb(0, 44, 0);\
+         \n  c45: rgb(0, 45, 0);\
+         \n  c46: rgb(0, 46, 0);\
+         \n  c47: rgb(0, 47, 0);\
+         \n  c48: rgb(0, 48, 0);\
+         \n  c49: rgb(0, 49, 0);\
+         \n  c50: rgb(0, 50, 0);\
+         \n  c51: rgb(0, 51, 0);\
+         \n  c52: rgb(0, 52, 0);\
+         \n  c53: rgb(0, 53, 0);\
+         \n  c54: rgb(0, 54, 0);\
+         \n  c55: rgb(0, 55, 0);\
+         \n  c56: rgb(0, 56, 0);\
+         \n  c57: rgb(0, 57, 0);\
+         \n  c58: rgb(0, 58, 0);\
+         \n  c59: rgb(0, 59, 0);\
+         \n  c60: rgb(0, 60, 0);\
+         \n  c61: rgb(0, 61, 0);\
+         \n  c62: rgb(0, 62, 0);\
+         \n  c63: rgb(0, 63, 0);\
+         \n  c64: rgb(0, 64, 0);\
+         \n  c65: rgb(0, 65, 0);\
+         \n  c66: rgb(0, 66, 0);\
+         \n  c67: rgb(0, 67, 0);\
+         \n  c68: rgb(0, 68, 0);\
+         \n  c69: rgb(0, 69, 0);\
+         \n  c70: rgb(0, 70, 0);\
+         \n  c71: rgb(0, 71, 0);\
+         \n  c72: rgb(0, 72, 0);\
+         \n  c73: rgb(0, 73, 0);\
+         \n  c74: rgb(0, 74, 0);\
+         \n  c75: rgb(0, 75, 0);\
+         \n  c76: rgb(0, 76, 0);\
+         \n  c77: rgb(0, 77, 0);\
+         \n  c78: rgb(0, 78, 0);\
+         \n  c79: rgb(0, 79, 0);\
+         \n  c80: rgb(0, 80, 0);\
+         \n  c81: rgb(0, 81, 0);\
+         \n  c82: rgb(0, 82, 0);\
+         \n  c83: rgb(0, 83, 0);\
+         \n  c84: rgb(0, 84, 0);\
+         \n  c85: rgb(0, 85, 0);\
+         \n  c86: rgb(0, 86, 0);\
+         \n  c87: rgb(0, 87, 0);\
+         \n  c88: rgb(0, 88, 0);\
+         \n  c89: rgb(0, 89, 0);\
+         \n  c90: rgb(0, 90, 0);\
+         \n  c91: rgb(0, 91, 0);\
+         \n  c92: rgb(0, 92, 0);\
+         \n  c93: rgb(0, 93, 0);\
+         \n  c94: rgb(0, 94, 0);\
+         \n  c95: rgb(0, 95, 0);\
+         \n  c96: rgb(0, 96, 0);\
+         \n  c97: rgb(0, 97, 0);\
+         \n  c98: rgb(0, 98, 0);\
+         \n  c99: rgb(0, 99, 0);\
+         \n  c100: rgb(0, 100, 0);\
+         \n  c101: rgb(0, 101, 0);\
+         \n  c102: rgb(0, 102, 0);\
+         \n  c103: rgb(0, 103, 0);\
+         \n  c104: rgb(0, 104, 0);\
+         \n  c105: rgb(0, 105, 0);\
+         \n  c106: rgb(0, 106, 0);\
+         \n  c107: rgb(0, 107, 0);\
+         \n  c108: rgb(0, 108, 0);\
+         \n  c109: rgb(0, 109, 0);\
+         \n  c110: rgb(0, 110, 0);\
+         \n  c111: rgb(0, 111, 0);\
+         \n  c112: rgb(0, 112, 0);\
+         \n  c113: rgb(0, 113, 0);\
+         \n  c114: rgb(0, 114, 0);\
+         \n  c115: rgb(0, 115, 0);\
+         \n  c116: rgb(0, 116, 0);\
+         \n  c117: rgb(0, 117, 0);\
+         \n  c118: rgb(0, 118, 0);\
+         \n  c119: rgb(0, 119, 0);\
+         \n  c120: rgb(0, 120, 0);\
+         \n  c121: rgb(0, 121, 0);\
+         \n  c122: rgb(0, 122, 0);\
+         \n  c123: rgb(0, 123, 0);\
+         \n  c124: rgb(0, 124, 0);\
+         \n  c125: rgb(0, 125, 0);\
+         \n  c126: rgb(0, 126, 0);\
+         \n  c127: rgb(0, 127, 0);\
+         \n  c128: rgb(0, 128, 0);\
+         \n  c129: rgb(0, 129, 0);\
+         \n  c130: rgb(0, 130, 0);\
+         \n  c131: rgb(0, 131, 0);\
+         \n  c132: rgb(0, 132, 0);\
+         \n  c133: rgb(0, 133, 0);\
+         \n  c134: rgb(0, 134, 0);\
+         \n  c135: rgb(0, 135, 0);\
+         \n  c136: rgb(0, 136, 0);\
+         \n  c137: rgb(0, 137, 0);\
+         \n  c138: rgb(0, 138, 0);\
+         \n  c139: rgb(0, 139, 0);\
+         \n  c140: rgb(0, 140, 0);\
+         \n  c141: rgb(0, 141, 0);\
+         \n  c142: rgb(0, 142, 0);\
+         \n  c143: rgb(0, 143, 0);\
+         \n  c144: rgb(0, 144, 0);\
+         \n  c145: rgb(0, 145, 0);\
+         \n  c146: rgb(0, 146, 0);\
+         \n  c147: rgb(0, 147, 0);\
+         \n  c148: rgb(0, 148, 0);\
+         \n  c149: rgb(0, 149, 0);\
+         \n  c150: rgb(0, 150, 0);\
+         \n  c151: rgb(0, 151, 0);\
+         \n  c152: rgb(0, 152, 0);\
+         \n  c153: rgb(0, 153, 0);\
+         \n  c154: rgb(0, 154, 0);\
+         \n  c155: rgb(0, 155, 0);\
+         \n  c156: rgb(0, 156, 0);\
+         \n  c157: rgb(0, 157, 0);\
+         \n  c158: rgb(0, 158, 0);\
+         \n  c159: rgb(0, 159, 0);\
+         \n  c160: rgb(0, 160, 0);\
+         \n  c161: rgb(0, 161, 0);\
+         \n  c162: rgb(0, 162, 0);\
+         \n  c163: rgb(0, 163, 0);\
+         \n  c164: rgb(0, 164, 0);\
+         \n  c165: rgb(0, 165, 0);\
+         \n  c166: rgb(0, 166, 0);\
+         \n  c167: rgb(0, 167, 0);\
+         \n  c168: rgb(0, 168, 0);\
+         \n  c169: rgb(0, 169, 0);\
+         \n  c170: rgb(0, 170, 0);\
+         \n  c171: rgb(0, 171, 0);\
+         \n  c172: rgb(0, 172, 0);\
+         \n  c173: rgb(0, 173, 0);\
+         \n  c174: rgb(0, 174, 0);\
+         \n  c175: rgb(0, 175, 0);\
+         \n  c176: rgb(0, 176, 0);\
+         \n  c177: rgb(0, 177, 0);\
+         \n  c178: rgb(0, 178, 0);\
+         \n  c179: rgb(0, 179, 0);\
+         \n  c180: rgb(0, 180, 0);\
+         \n  c181: rgb(0, 181, 0);\
+         \n  c182: rgb(0, 182, 0);\
+         \n  c183: rgb(0, 183, 0);\
+         \n  c184: rgb(0, 184, 0);\
+         \n  c185: rgb(0, 185, 0);\
+         \n  c186: rgb(0, 186, 0);\
+         \n  c187: rgb(0, 187, 0);\
+         \n  c188: rgb(0, 188, 0);\
+         \n  c189: rgb(0, 189, 0);\
+         \n  c190: rgb(0, 190, 0);\
+         \n  c191: rgb(0, 191, 0);\
+         \n  c192: rgb(0, 192, 0);\
+         \n  c193: rgb(0, 193, 0);\
+         \n  c194: rgb(0, 194, 0);\
+         \n  c195: rgb(0, 195, 0);\
+         \n  c196: rgb(0, 196, 0);\
+         \n  c197: rgb(0, 197, 0);\
+         \n  c198: rgb(0, 198, 0);\
+         \n  c199: rgb(0, 199, 0);\
+         \n  c200: rgb(0, 200, 0);\
+         \n  c201: rgb(0, 201, 0);\
+         \n  c202: rgb(0, 202, 0);\
+         \n  c203: rgb(0, 203, 0);\
+         \n  c204: rgb(0, 204, 0);\
+         \n  c205: rgb(0, 205, 0);\
+         \n  c206: rgb(0, 206, 0);\
+         \n  c207: rgb(0, 207, 0);\
+         \n  c208: rgb(0, 208, 0);\
+         \n  c209: rgb(0, 209, 0);\
+         \n  c210: rgb(0, 210, 0);\
+         \n  c211: rgb(0, 211, 0);\
+         \n  c212: rgb(0, 212, 0);\
+         \n  c213: rgb(0, 213, 0);\
+         \n  c214: rgb(0, 214, 0);\
+         \n  c215: rgb(0, 215, 0);\
+         \n  c216: rgb(0, 216, 0);\
+         \n  c217: rgb(0, 217, 0);\
+         \n  c218: rgb(0, 218, 0);\
+         \n  c219: rgb(0, 219, 0);\
+         \n  c220: rgb(0, 220, 0);\
+         \n  c221: rgb(0, 221, 0);\
+         \n  c222: rgb(0, 222, 0);\
+         \n  c223: rgb(0, 223, 0);\
+         \n  c224: rgb(0, 224, 0);\
+         \n  c225: rgb(0, 225, 0);\
+         \n  c226: rgb(0, 226, 0);\
+         \n  c227: rgb(0, 227, 0);\
+         \n  c228: rgb(0, 228, 0);\
+         \n  c229: rgb(0, 229, 0);\
+         \n  c230: rgb(0, 230, 0);\
+         \n  c231: rgb(0, 231, 0);\
+         \n  c232: rgb(0, 232, 0);\
+         \n  c233: rgb(0, 233, 0);\
+         \n  c234: rgb(0, 234, 0);\
+         \n  c235: rgb(0, 235, 0);\
+         \n  c236: rgb(0, 236, 0);\
+         \n  c237: rgb(0, 237, 0);\
+         \n  c238: rgb(0, 238, 0);\
+         \n  c239: rgb(0, 239, 0);\
+         \n  c240: rgb(0, 240, 0);\
+         \n  c241: rgb(0, 241, 0);\
+         \n  c242: rgb(0, 242, 0);\
+         \n  c243: rgb(0, 243, 0);\
+         \n  c244: rgb(0, 244, 0);\
+         \n  c245: rgb(0, 245, 0);\
+         \n  c246: rgb(0, 246, 0);\
+         \n  c247: rgb(0, 247, 0);\
+         \n  c248: rgb(0, 248, 0);\
+         \n  c249: rgb(0, 249, 0);\
+         \n  c250: rgb(0, 250, 0);\
+         \n  c251: rgb(0, 251, 0);\
+         \n  c252: rgb(0, 252, 0);\
+         \n  c253: rgb(0, 253, 0);\
+         \n  c254: rgb(0, 254, 0);\
+         \n  c255: rgb(0, 255, 0);\
+         \n  c256: rgb(0, 255, 0);\
          \n}\
          \nfoo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000300;\
-         \n  c2: #000500;\
-         \n  c3: #000800;\
-         \n  c4: #000a00;\
-         \n  c5: #000d00;\
-         \n  c6: #000f00;\
-         \n  c7: #001200;\
-         \n  c8: #001400;\
-         \n  c9: #001700;\
-         \n  c10: #001a00;\
-         \n  c11: #001c00;\
-         \n  c12: #001f00;\
-         \n  c13: #002100;\
-         \n  c14: #002400;\
-         \n  c15: #002600;\
-         \n  c16: #002900;\
-         \n  c17: #002b00;\
-         \n  c18: #002e00;\
-         \n  c19: #003000;\
-         \n  c20: #003300;\
-         \n  c21: #003600;\
-         \n  c22: #003800;\
-         \n  c23: #003b00;\
-         \n  c24: #003d00;\
-         \n  c25: #004000;\
-         \n  c26: #004200;\
-         \n  c27: #004500;\
-         \n  c28: #004700;\
-         \n  c29: #004a00;\
-         \n  c30: #004d00;\
-         \n  c31: #004f00;\
-         \n  c32: #005200;\
-         \n  c33: #005400;\
-         \n  c34: #005700;\
-         \n  c35: #005900;\
-         \n  c36: #005c00;\
-         \n  c37: #005e00;\
-         \n  c38: #006100;\
-         \n  c39: #006300;\
-         \n  c40: #006600;\
-         \n  c41: #006900;\
-         \n  c42: #006b00;\
-         \n  c43: #006e00;\
-         \n  c44: #007000;\
-         \n  c45: #007300;\
-         \n  c46: #007500;\
-         \n  c47: #007800;\
-         \n  c48: #007a00;\
-         \n  c49: #007d00;\
-         \n  c50: green;\
-         \n  c51: #008200;\
-         \n  c52: #008500;\
-         \n  c53: #008700;\
-         \n  c54: #008a00;\
-         \n  c55: #008c00;\
-         \n  c56: #008f00;\
-         \n  c57: #009100;\
-         \n  c58: #009400;\
-         \n  c59: #009600;\
-         \n  c60: #009900;\
-         \n  c61: #009c00;\
-         \n  c62: #009e00;\
-         \n  c63: #00a100;\
-         \n  c64: #00a300;\
-         \n  c65: #00a600;\
-         \n  c66: #00a800;\
-         \n  c67: #00ab00;\
-         \n  c68: #00ad00;\
-         \n  c69: #00b000;\
-         \n  c70: #00b300;\
-         \n  c71: #00b500;\
-         \n  c72: #00b800;\
-         \n  c73: #00ba00;\
-         \n  c74: #00bd00;\
-         \n  c75: #00bf00;\
-         \n  c76: #00c200;\
-         \n  c77: #00c400;\
-         \n  c78: #00c700;\
-         \n  c79: #00c900;\
-         \n  c80: #00cc00;\
-         \n  c81: #00cf00;\
-         \n  c82: #00d100;\
-         \n  c83: #00d400;\
-         \n  c84: #00d600;\
-         \n  c85: #00d900;\
-         \n  c86: #00db00;\
-         \n  c87: #00de00;\
-         \n  c88: #00e000;\
-         \n  c89: #00e300;\
-         \n  c90: #00e600;\
-         \n  c91: #00e800;\
-         \n  c92: #00eb00;\
-         \n  c93: #00ed00;\
-         \n  c94: #00f000;\
-         \n  c95: #00f200;\
-         \n  c96: #00f500;\
-         \n  c97: #00f700;\
-         \n  c98: #00fa00;\
-         \n  c99: #00fc00;\
-         \n  c100: lime;\
-         \n  c101: lime;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 3, 0);\
+         \n  c2: rgb(0, 5, 0);\
+         \n  c3: rgb(0, 8, 0);\
+         \n  c4: rgb(0, 10, 0);\
+         \n  c5: rgb(0, 13, 0);\
+         \n  c6: rgb(0, 15, 0);\
+         \n  c7: rgb(0, 18, 0);\
+         \n  c8: rgb(0, 20, 0);\
+         \n  c9: rgb(0, 23, 0);\
+         \n  c10: rgb(0, 26, 0);\
+         \n  c11: rgb(0, 28, 0);\
+         \n  c12: rgb(0, 31, 0);\
+         \n  c13: rgb(0, 33, 0);\
+         \n  c14: rgb(0, 36, 0);\
+         \n  c15: rgb(0, 38, 0);\
+         \n  c16: rgb(0, 41, 0);\
+         \n  c17: rgb(0, 43, 0);\
+         \n  c18: rgb(0, 46, 0);\
+         \n  c19: rgb(0, 48, 0);\
+         \n  c20: rgb(0, 51, 0);\
+         \n  c21: rgb(0, 54, 0);\
+         \n  c22: rgb(0, 56, 0);\
+         \n  c23: rgb(0, 59, 0);\
+         \n  c24: rgb(0, 61, 0);\
+         \n  c25: rgb(0, 64, 0);\
+         \n  c26: rgb(0, 66, 0);\
+         \n  c27: rgb(0, 69, 0);\
+         \n  c28: rgb(0, 71, 0);\
+         \n  c29: rgb(0, 74, 0);\
+         \n  c30: rgb(0, 77, 0);\
+         \n  c31: rgb(0, 79, 0);\
+         \n  c32: rgb(0, 82, 0);\
+         \n  c33: rgb(0, 84, 0);\
+         \n  c34: rgb(0, 87, 0);\
+         \n  c35: rgb(0, 89, 0);\
+         \n  c36: rgb(0, 92, 0);\
+         \n  c37: rgb(0, 94, 0);\
+         \n  c38: rgb(0, 97, 0);\
+         \n  c39: rgb(0, 99, 0);\
+         \n  c40: rgb(0, 102, 0);\
+         \n  c41: rgb(0, 105, 0);\
+         \n  c42: rgb(0, 107, 0);\
+         \n  c43: rgb(0, 110, 0);\
+         \n  c44: rgb(0, 112, 0);\
+         \n  c45: rgb(0, 115, 0);\
+         \n  c46: rgb(0, 117, 0);\
+         \n  c47: rgb(0, 120, 0);\
+         \n  c48: rgb(0, 122, 0);\
+         \n  c49: rgb(0, 125, 0);\
+         \n  c50: rgb(0, 128, 0);\
+         \n  c51: rgb(0, 130, 0);\
+         \n  c52: rgb(0, 133, 0);\
+         \n  c53: rgb(0, 135, 0);\
+         \n  c54: rgb(0, 138, 0);\
+         \n  c55: rgb(0, 140, 0);\
+         \n  c56: rgb(0, 143, 0);\
+         \n  c57: rgb(0, 145, 0);\
+         \n  c58: rgb(0, 148, 0);\
+         \n  c59: rgb(0, 150, 0);\
+         \n  c60: rgb(0, 153, 0);\
+         \n  c61: rgb(0, 156, 0);\
+         \n  c62: rgb(0, 158, 0);\
+         \n  c63: rgb(0, 161, 0);\
+         \n  c64: rgb(0, 163, 0);\
+         \n  c65: rgb(0, 166, 0);\
+         \n  c66: rgb(0, 168, 0);\
+         \n  c67: rgb(0, 171, 0);\
+         \n  c68: rgb(0, 173, 0);\
+         \n  c69: rgb(0, 176, 0);\
+         \n  c70: rgb(0, 179, 0);\
+         \n  c71: rgb(0, 181, 0);\
+         \n  c72: rgb(0, 184, 0);\
+         \n  c73: rgb(0, 186, 0);\
+         \n  c74: rgb(0, 189, 0);\
+         \n  c75: rgb(0, 191, 0);\
+         \n  c76: rgb(0, 194, 0);\
+         \n  c77: rgb(0, 196, 0);\
+         \n  c78: rgb(0, 199, 0);\
+         \n  c79: rgb(0, 201, 0);\
+         \n  c80: rgb(0, 204, 0);\
+         \n  c81: rgb(0, 207, 0);\
+         \n  c82: rgb(0, 209, 0);\
+         \n  c83: rgb(0, 212, 0);\
+         \n  c84: rgb(0, 214, 0);\
+         \n  c85: rgb(0, 217, 0);\
+         \n  c86: rgb(0, 219, 0);\
+         \n  c87: rgb(0, 222, 0);\
+         \n  c88: rgb(0, 224, 0);\
+         \n  c89: rgb(0, 227, 0);\
+         \n  c90: rgb(0, 230, 0);\
+         \n  c91: rgb(0, 232, 0);\
+         \n  c92: rgb(0, 235, 0);\
+         \n  c93: rgb(0, 237, 0);\
+         \n  c94: rgb(0, 240, 0);\
+         \n  c95: rgb(0, 242, 0);\
+         \n  c96: rgb(0, 245, 0);\
+         \n  c97: rgb(0, 247, 0);\
+         \n  c98: rgb(0, 250, 0);\
+         \n  c99: rgb(0, 252, 0);\
+         \n  c100: rgb(0, 255, 0);\
+         \n  c101: rgb(0, 255, 0);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/color_functions/rgb/rgba/r.rs b/tests/spec/libsass/color_functions/rgb/rgba/r.rs
index 2e8393c29..b4b46e15b 100644
--- a/tests/spec/libsass/color_functions/rgb/rgba/r.rs
+++ b/tests/spec/libsass/color_functions/rgb/rgba/r.rs
@@ -374,369 +374,369 @@ fn test() {
              \n  c101: rgba(101%,0,0,1);\
              \n}\n"),
         "foo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #000100;\
-         \n  c2: #000200;\
-         \n  c3: #000300;\
-         \n  c4: #000400;\
-         \n  c5: #000500;\
-         \n  c6: #000600;\
-         \n  c7: #000700;\
-         \n  c8: #000800;\
-         \n  c9: #000900;\
-         \n  c10: #000a00;\
-         \n  c11: #000b00;\
-         \n  c12: #000c00;\
-         \n  c13: #000d00;\
-         \n  c14: #000e00;\
-         \n  c15: #000f00;\
-         \n  c16: #001000;\
-         \n  c17: #001100;\
-         \n  c18: #001200;\
-         \n  c19: #001300;\
-         \n  c20: #001400;\
-         \n  c21: #001500;\
-         \n  c22: #001600;\
-         \n  c23: #001700;\
-         \n  c24: #001800;\
-         \n  c25: #001900;\
-         \n  c26: #001a00;\
-         \n  c27: #001b00;\
-         \n  c28: #001c00;\
-         \n  c29: #001d00;\
-         \n  c30: #001e00;\
-         \n  c31: #001f00;\
-         \n  c32: #002000;\
-         \n  c33: #002100;\
-         \n  c34: #002200;\
-         \n  c35: #002300;\
-         \n  c36: #002400;\
-         \n  c37: #002500;\
-         \n  c38: #002600;\
-         \n  c39: #002700;\
-         \n  c40: #002800;\
-         \n  c41: #002900;\
-         \n  c42: #002a00;\
-         \n  c43: #002b00;\
-         \n  c44: #002c00;\
-         \n  c45: #002d00;\
-         \n  c46: #002e00;\
-         \n  c47: #002f00;\
-         \n  c48: #003000;\
-         \n  c49: #003100;\
-         \n  c50: #003200;\
-         \n  c51: #003300;\
-         \n  c52: #003400;\
-         \n  c53: #003500;\
-         \n  c54: #003600;\
-         \n  c55: #003700;\
-         \n  c56: #003800;\
-         \n  c57: #003900;\
-         \n  c58: #003a00;\
-         \n  c59: #003b00;\
-         \n  c60: #003c00;\
-         \n  c61: #003d00;\
-         \n  c62: #003e00;\
-         \n  c63: #003f00;\
-         \n  c64: #004000;\
-         \n  c65: #004100;\
-         \n  c66: #004200;\
-         \n  c67: #004300;\
-         \n  c68: #004400;\
-         \n  c69: #004500;\
-         \n  c70: #004600;\
-         \n  c71: #004700;\
-         \n  c72: #004800;\
-         \n  c73: #004900;\
-         \n  c74: #004a00;\
-         \n  c75: #004b00;\
-         \n  c76: #004c00;\
-         \n  c77: #004d00;\
-         \n  c78: #004e00;\
-         \n  c79: #004f00;\
-         \n  c80: #005000;\
-         \n  c81: #005100;\
-         \n  c82: #005200;\
-         \n  c83: #005300;\
-         \n  c84: #005400;\
-         \n  c85: #005500;\
-         \n  c86: #005600;\
-         \n  c87: #005700;\
-         \n  c88: #005800;\
-         \n  c89: #005900;\
-         \n  c90: #005a00;\
-         \n  c91: #005b00;\
-         \n  c92: #005c00;\
-         \n  c93: #005d00;\
-         \n  c94: #005e00;\
-         \n  c95: #005f00;\
-         \n  c96: #006000;\
-         \n  c97: #006100;\
-         \n  c98: #006200;\
-         \n  c99: #006300;\
-         \n  c100: darkgreen;\
-         \n  c101: #006500;\
-         \n  c102: #006600;\
-         \n  c103: #006700;\
-         \n  c104: #006800;\
-         \n  c105: #006900;\
-         \n  c106: #006a00;\
-         \n  c107: #006b00;\
-         \n  c108: #006c00;\
-         \n  c109: #006d00;\
-         \n  c110: #006e00;\
-         \n  c111: #006f00;\
-         \n  c112: #007000;\
-         \n  c113: #007100;\
-         \n  c114: #007200;\
-         \n  c115: #007300;\
-         \n  c116: #007400;\
-         \n  c117: #007500;\
-         \n  c118: #007600;\
-         \n  c119: #007700;\
-         \n  c120: #007800;\
-         \n  c121: #007900;\
-         \n  c122: #007a00;\
-         \n  c123: #007b00;\
-         \n  c124: #007c00;\
-         \n  c125: #007d00;\
-         \n  c126: #007e00;\
-         \n  c127: #007f00;\
-         \n  c128: green;\
-         \n  c129: #008100;\
-         \n  c130: #008200;\
-         \n  c131: #008300;\
-         \n  c132: #008400;\
-         \n  c133: #008500;\
-         \n  c134: #008600;\
-         \n  c135: #008700;\
-         \n  c136: #008800;\
-         \n  c137: #008900;\
-         \n  c138: #008a00;\
-         \n  c139: #008b00;\
-         \n  c140: #008c00;\
-         \n  c141: #008d00;\
-         \n  c142: #008e00;\
-         \n  c143: #008f00;\
-         \n  c144: #009000;\
-         \n  c145: #009100;\
-         \n  c146: #009200;\
-         \n  c147: #009300;\
-         \n  c148: #009400;\
-         \n  c149: #009500;\
-         \n  c150: #009600;\
-         \n  c151: #009700;\
-         \n  c152: #009800;\
-         \n  c153: #009900;\
-         \n  c154: #009a00;\
-         \n  c155: #009b00;\
-         \n  c156: #009c00;\
-         \n  c157: #009d00;\
-         \n  c158: #009e00;\
-         \n  c159: #009f00;\
-         \n  c160: #00a000;\
-         \n  c161: #00a100;\
-         \n  c162: #00a200;\
-         \n  c163: #00a300;\
-         \n  c164: #00a400;\
-         \n  c165: #00a500;\
-         \n  c166: #00a600;\
-         \n  c167: #00a700;\
-         \n  c168: #00a800;\
-         \n  c169: #00a900;\
-         \n  c170: #00aa00;\
-         \n  c171: #00ab00;\
-         \n  c172: #00ac00;\
-         \n  c173: #00ad00;\
-         \n  c174: #00ae00;\
-         \n  c175: #00af00;\
-         \n  c176: #00b000;\
-         \n  c177: #00b100;\
-         \n  c178: #00b200;\
-         \n  c179: #00b300;\
-         \n  c180: #00b400;\
-         \n  c181: #00b500;\
-         \n  c182: #00b600;\
-         \n  c183: #00b700;\
-         \n  c184: #00b800;\
-         \n  c185: #00b900;\
-         \n  c186: #00ba00;\
-         \n  c187: #00bb00;\
-         \n  c188: #00bc00;\
-         \n  c189: #00bd00;\
-         \n  c190: #00be00;\
-         \n  c191: #00bf00;\
-         \n  c192: #00c000;\
-         \n  c193: #00c100;\
-         \n  c194: #00c200;\
-         \n  c195: #00c300;\
-         \n  c196: #00c400;\
-         \n  c197: #00c500;\
-         \n  c198: #00c600;\
-         \n  c199: #00c700;\
-         \n  c200: #00c800;\
-         \n  c201: #00c900;\
-         \n  c202: #00ca00;\
-         \n  c203: #00cb00;\
-         \n  c204: #00cc00;\
-         \n  c205: #00cd00;\
-         \n  c206: #00ce00;\
-         \n  c207: #00cf00;\
-         \n  c208: #00d000;\
-         \n  c209: #00d100;\
-         \n  c210: #00d200;\
-         \n  c211: #00d300;\
-         \n  c212: #00d400;\
-         \n  c213: #00d500;\
-         \n  c214: #00d600;\
-         \n  c215: #00d700;\
-         \n  c216: #00d800;\
-         \n  c217: #00d900;\
-         \n  c218: #00da00;\
-         \n  c219: #00db00;\
-         \n  c220: #00dc00;\
-         \n  c221: #00dd00;\
-         \n  c222: #00de00;\
-         \n  c223: #00df00;\
-         \n  c224: #00e000;\
-         \n  c225: #00e100;\
-         \n  c226: #00e200;\
-         \n  c227: #00e300;\
-         \n  c228: #00e400;\
-         \n  c229: #00e500;\
-         \n  c230: #00e600;\
-         \n  c231: #00e700;\
-         \n  c232: #00e800;\
-         \n  c233: #00e900;\
-         \n  c234: #00ea00;\
-         \n  c235: #00eb00;\
-         \n  c236: #00ec00;\
-         \n  c237: #00ed00;\
-         \n  c238: #00ee00;\
-         \n  c239: #00ef00;\
-         \n  c240: #00f000;\
-         \n  c241: #00f100;\
-         \n  c242: #00f200;\
-         \n  c243: #00f300;\
-         \n  c244: #00f400;\
-         \n  c245: #00f500;\
-         \n  c246: #00f600;\
-         \n  c247: #00f700;\
-         \n  c248: #00f800;\
-         \n  c249: #00f900;\
-         \n  c250: #00fa00;\
-         \n  c251: #00fb00;\
-         \n  c252: #00fc00;\
-         \n  c253: #00fd00;\
-         \n  c254: #00fe00;\
-         \n  c255: lime;\
-         \n  c256: lime;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(0, 1, 0);\
+         \n  c2: rgb(0, 2, 0);\
+         \n  c3: rgb(0, 3, 0);\
+         \n  c4: rgb(0, 4, 0);\
+         \n  c5: rgb(0, 5, 0);\
+         \n  c6: rgb(0, 6, 0);\
+         \n  c7: rgb(0, 7, 0);\
+         \n  c8: rgb(0, 8, 0);\
+         \n  c9: rgb(0, 9, 0);\
+         \n  c10: rgb(0, 10, 0);\
+         \n  c11: rgb(0, 11, 0);\
+         \n  c12: rgb(0, 12, 0);\
+         \n  c13: rgb(0, 13, 0);\
+         \n  c14: rgb(0, 14, 0);\
+         \n  c15: rgb(0, 15, 0);\
+         \n  c16: rgb(0, 16, 0);\
+         \n  c17: rgb(0, 17, 0);\
+         \n  c18: rgb(0, 18, 0);\
+         \n  c19: rgb(0, 19, 0);\
+         \n  c20: rgb(0, 20, 0);\
+         \n  c21: rgb(0, 21, 0);\
+         \n  c22: rgb(0, 22, 0);\
+         \n  c23: rgb(0, 23, 0);\
+         \n  c24: rgb(0, 24, 0);\
+         \n  c25: rgb(0, 25, 0);\
+         \n  c26: rgb(0, 26, 0);\
+         \n  c27: rgb(0, 27, 0);\
+         \n  c28: rgb(0, 28, 0);\
+         \n  c29: rgb(0, 29, 0);\
+         \n  c30: rgb(0, 30, 0);\
+         \n  c31: rgb(0, 31, 0);\
+         \n  c32: rgb(0, 32, 0);\
+         \n  c33: rgb(0, 33, 0);\
+         \n  c34: rgb(0, 34, 0);\
+         \n  c35: rgb(0, 35, 0);\
+         \n  c36: rgb(0, 36, 0);\
+         \n  c37: rgb(0, 37, 0);\
+         \n  c38: rgb(0, 38, 0);\
+         \n  c39: rgb(0, 39, 0);\
+         \n  c40: rgb(0, 40, 0);\
+         \n  c41: rgb(0, 41, 0);\
+         \n  c42: rgb(0, 42, 0);\
+         \n  c43: rgb(0, 43, 0);\
+         \n  c44: rgb(0, 44, 0);\
+         \n  c45: rgb(0, 45, 0);\
+         \n  c46: rgb(0, 46, 0);\
+         \n  c47: rgb(0, 47, 0);\
+         \n  c48: rgb(0, 48, 0);\
+         \n  c49: rgb(0, 49, 0);\
+         \n  c50: rgb(0, 50, 0);\
+         \n  c51: rgb(0, 51, 0);\
+         \n  c52: rgb(0, 52, 0);\
+         \n  c53: rgb(0, 53, 0);\
+         \n  c54: rgb(0, 54, 0);\
+         \n  c55: rgb(0, 55, 0);\
+         \n  c56: rgb(0, 56, 0);\
+         \n  c57: rgb(0, 57, 0);\
+         \n  c58: rgb(0, 58, 0);\
+         \n  c59: rgb(0, 59, 0);\
+         \n  c60: rgb(0, 60, 0);\
+         \n  c61: rgb(0, 61, 0);\
+         \n  c62: rgb(0, 62, 0);\
+         \n  c63: rgb(0, 63, 0);\
+         \n  c64: rgb(0, 64, 0);\
+         \n  c65: rgb(0, 65, 0);\
+         \n  c66: rgb(0, 66, 0);\
+         \n  c67: rgb(0, 67, 0);\
+         \n  c68: rgb(0, 68, 0);\
+         \n  c69: rgb(0, 69, 0);\
+         \n  c70: rgb(0, 70, 0);\
+         \n  c71: rgb(0, 71, 0);\
+         \n  c72: rgb(0, 72, 0);\
+         \n  c73: rgb(0, 73, 0);\
+         \n  c74: rgb(0, 74, 0);\
+         \n  c75: rgb(0, 75, 0);\
+         \n  c76: rgb(0, 76, 0);\
+         \n  c77: rgb(0, 77, 0);\
+         \n  c78: rgb(0, 78, 0);\
+         \n  c79: rgb(0, 79, 0);\
+         \n  c80: rgb(0, 80, 0);\
+         \n  c81: rgb(0, 81, 0);\
+         \n  c82: rgb(0, 82, 0);\
+         \n  c83: rgb(0, 83, 0);\
+         \n  c84: rgb(0, 84, 0);\
+         \n  c85: rgb(0, 85, 0);\
+         \n  c86: rgb(0, 86, 0);\
+         \n  c87: rgb(0, 87, 0);\
+         \n  c88: rgb(0, 88, 0);\
+         \n  c89: rgb(0, 89, 0);\
+         \n  c90: rgb(0, 90, 0);\
+         \n  c91: rgb(0, 91, 0);\
+         \n  c92: rgb(0, 92, 0);\
+         \n  c93: rgb(0, 93, 0);\
+         \n  c94: rgb(0, 94, 0);\
+         \n  c95: rgb(0, 95, 0);\
+         \n  c96: rgb(0, 96, 0);\
+         \n  c97: rgb(0, 97, 0);\
+         \n  c98: rgb(0, 98, 0);\
+         \n  c99: rgb(0, 99, 0);\
+         \n  c100: rgb(0, 100, 0);\
+         \n  c101: rgb(0, 101, 0);\
+         \n  c102: rgb(0, 102, 0);\
+         \n  c103: rgb(0, 103, 0);\
+         \n  c104: rgb(0, 104, 0);\
+         \n  c105: rgb(0, 105, 0);\
+         \n  c106: rgb(0, 106, 0);\
+         \n  c107: rgb(0, 107, 0);\
+         \n  c108: rgb(0, 108, 0);\
+         \n  c109: rgb(0, 109, 0);\
+         \n  c110: rgb(0, 110, 0);\
+         \n  c111: rgb(0, 111, 0);\
+         \n  c112: rgb(0, 112, 0);\
+         \n  c113: rgb(0, 113, 0);\
+         \n  c114: rgb(0, 114, 0);\
+         \n  c115: rgb(0, 115, 0);\
+         \n  c116: rgb(0, 116, 0);\
+         \n  c117: rgb(0, 117, 0);\
+         \n  c118: rgb(0, 118, 0);\
+         \n  c119: rgb(0, 119, 0);\
+         \n  c120: rgb(0, 120, 0);\
+         \n  c121: rgb(0, 121, 0);\
+         \n  c122: rgb(0, 122, 0);\
+         \n  c123: rgb(0, 123, 0);\
+         \n  c124: rgb(0, 124, 0);\
+         \n  c125: rgb(0, 125, 0);\
+         \n  c126: rgb(0, 126, 0);\
+         \n  c127: rgb(0, 127, 0);\
+         \n  c128: rgb(0, 128, 0);\
+         \n  c129: rgb(0, 129, 0);\
+         \n  c130: rgb(0, 130, 0);\
+         \n  c131: rgb(0, 131, 0);\
+         \n  c132: rgb(0, 132, 0);\
+         \n  c133: rgb(0, 133, 0);\
+         \n  c134: rgb(0, 134, 0);\
+         \n  c135: rgb(0, 135, 0);\
+         \n  c136: rgb(0, 136, 0);\
+         \n  c137: rgb(0, 137, 0);\
+         \n  c138: rgb(0, 138, 0);\
+         \n  c139: rgb(0, 139, 0);\
+         \n  c140: rgb(0, 140, 0);\
+         \n  c141: rgb(0, 141, 0);\
+         \n  c142: rgb(0, 142, 0);\
+         \n  c143: rgb(0, 143, 0);\
+         \n  c144: rgb(0, 144, 0);\
+         \n  c145: rgb(0, 145, 0);\
+         \n  c146: rgb(0, 146, 0);\
+         \n  c147: rgb(0, 147, 0);\
+         \n  c148: rgb(0, 148, 0);\
+         \n  c149: rgb(0, 149, 0);\
+         \n  c150: rgb(0, 150, 0);\
+         \n  c151: rgb(0, 151, 0);\
+         \n  c152: rgb(0, 152, 0);\
+         \n  c153: rgb(0, 153, 0);\
+         \n  c154: rgb(0, 154, 0);\
+         \n  c155: rgb(0, 155, 0);\
+         \n  c156: rgb(0, 156, 0);\
+         \n  c157: rgb(0, 157, 0);\
+         \n  c158: rgb(0, 158, 0);\
+         \n  c159: rgb(0, 159, 0);\
+         \n  c160: rgb(0, 160, 0);\
+         \n  c161: rgb(0, 161, 0);\
+         \n  c162: rgb(0, 162, 0);\
+         \n  c163: rgb(0, 163, 0);\
+         \n  c164: rgb(0, 164, 0);\
+         \n  c165: rgb(0, 165, 0);\
+         \n  c166: rgb(0, 166, 0);\
+         \n  c167: rgb(0, 167, 0);\
+         \n  c168: rgb(0, 168, 0);\
+         \n  c169: rgb(0, 169, 0);\
+         \n  c170: rgb(0, 170, 0);\
+         \n  c171: rgb(0, 171, 0);\
+         \n  c172: rgb(0, 172, 0);\
+         \n  c173: rgb(0, 173, 0);\
+         \n  c174: rgb(0, 174, 0);\
+         \n  c175: rgb(0, 175, 0);\
+         \n  c176: rgb(0, 176, 0);\
+         \n  c177: rgb(0, 177, 0);\
+         \n  c178: rgb(0, 178, 0);\
+         \n  c179: rgb(0, 179, 0);\
+         \n  c180: rgb(0, 180, 0);\
+         \n  c181: rgb(0, 181, 0);\
+         \n  c182: rgb(0, 182, 0);\
+         \n  c183: rgb(0, 183, 0);\
+         \n  c184: rgb(0, 184, 0);\
+         \n  c185: rgb(0, 185, 0);\
+         \n  c186: rgb(0, 186, 0);\
+         \n  c187: rgb(0, 187, 0);\
+         \n  c188: rgb(0, 188, 0);\
+         \n  c189: rgb(0, 189, 0);\
+         \n  c190: rgb(0, 190, 0);\
+         \n  c191: rgb(0, 191, 0);\
+         \n  c192: rgb(0, 192, 0);\
+         \n  c193: rgb(0, 193, 0);\
+         \n  c194: rgb(0, 194, 0);\
+         \n  c195: rgb(0, 195, 0);\
+         \n  c196: rgb(0, 196, 0);\
+         \n  c197: rgb(0, 197, 0);\
+         \n  c198: rgb(0, 198, 0);\
+         \n  c199: rgb(0, 199, 0);\
+         \n  c200: rgb(0, 200, 0);\
+         \n  c201: rgb(0, 201, 0);\
+         \n  c202: rgb(0, 202, 0);\
+         \n  c203: rgb(0, 203, 0);\
+         \n  c204: rgb(0, 204, 0);\
+         \n  c205: rgb(0, 205, 0);\
+         \n  c206: rgb(0, 206, 0);\
+         \n  c207: rgb(0, 207, 0);\
+         \n  c208: rgb(0, 208, 0);\
+         \n  c209: rgb(0, 209, 0);\
+         \n  c210: rgb(0, 210, 0);\
+         \n  c211: rgb(0, 211, 0);\
+         \n  c212: rgb(0, 212, 0);\
+         \n  c213: rgb(0, 213, 0);\
+         \n  c214: rgb(0, 214, 0);\
+         \n  c215: rgb(0, 215, 0);\
+         \n  c216: rgb(0, 216, 0);\
+         \n  c217: rgb(0, 217, 0);\
+         \n  c218: rgb(0, 218, 0);\
+         \n  c219: rgb(0, 219, 0);\
+         \n  c220: rgb(0, 220, 0);\
+         \n  c221: rgb(0, 221, 0);\
+         \n  c222: rgb(0, 222, 0);\
+         \n  c223: rgb(0, 223, 0);\
+         \n  c224: rgb(0, 224, 0);\
+         \n  c225: rgb(0, 225, 0);\
+         \n  c226: rgb(0, 226, 0);\
+         \n  c227: rgb(0, 227, 0);\
+         \n  c228: rgb(0, 228, 0);\
+         \n  c229: rgb(0, 229, 0);\
+         \n  c230: rgb(0, 230, 0);\
+         \n  c231: rgb(0, 231, 0);\
+         \n  c232: rgb(0, 232, 0);\
+         \n  c233: rgb(0, 233, 0);\
+         \n  c234: rgb(0, 234, 0);\
+         \n  c235: rgb(0, 235, 0);\
+         \n  c236: rgb(0, 236, 0);\
+         \n  c237: rgb(0, 237, 0);\
+         \n  c238: rgb(0, 238, 0);\
+         \n  c239: rgb(0, 239, 0);\
+         \n  c240: rgb(0, 240, 0);\
+         \n  c241: rgb(0, 241, 0);\
+         \n  c242: rgb(0, 242, 0);\
+         \n  c243: rgb(0, 243, 0);\
+         \n  c244: rgb(0, 244, 0);\
+         \n  c245: rgb(0, 245, 0);\
+         \n  c246: rgb(0, 246, 0);\
+         \n  c247: rgb(0, 247, 0);\
+         \n  c248: rgb(0, 248, 0);\
+         \n  c249: rgb(0, 249, 0);\
+         \n  c250: rgb(0, 250, 0);\
+         \n  c251: rgb(0, 251, 0);\
+         \n  c252: rgb(0, 252, 0);\
+         \n  c253: rgb(0, 253, 0);\
+         \n  c254: rgb(0, 254, 0);\
+         \n  c255: rgb(0, 255, 0);\
+         \n  c256: rgb(0, 255, 0);\
          \n}\
          \nfoo {\
-         \n  c-1: black;\
-         \n  c0: black;\
-         \n  c1: #030000;\
-         \n  c2: #050000;\
-         \n  c3: #080000;\
-         \n  c4: #0a0000;\
-         \n  c5: #0d0000;\
-         \n  c6: #0f0000;\
-         \n  c7: #120000;\
-         \n  c8: #140000;\
-         \n  c9: #170000;\
-         \n  c10: #1a0000;\
-         \n  c11: #1c0000;\
-         \n  c12: #1f0000;\
-         \n  c13: #210000;\
-         \n  c14: #240000;\
-         \n  c15: #260000;\
-         \n  c16: #290000;\
-         \n  c17: #2b0000;\
-         \n  c18: #2e0000;\
-         \n  c19: #300000;\
-         \n  c20: #330000;\
-         \n  c21: #360000;\
-         \n  c22: #380000;\
-         \n  c23: #3b0000;\
-         \n  c24: #3d0000;\
-         \n  c25: #400000;\
-         \n  c26: #420000;\
-         \n  c27: #450000;\
-         \n  c28: #470000;\
-         \n  c29: #4a0000;\
-         \n  c30: #4d0000;\
-         \n  c31: #4f0000;\
-         \n  c32: #520000;\
-         \n  c33: #540000;\
-         \n  c34: #570000;\
-         \n  c35: #590000;\
-         \n  c36: #5c0000;\
-         \n  c37: #5e0000;\
-         \n  c38: #610000;\
-         \n  c39: #630000;\
-         \n  c40: #660000;\
-         \n  c41: #690000;\
-         \n  c42: #6b0000;\
-         \n  c43: #6e0000;\
-         \n  c44: #700000;\
-         \n  c45: #730000;\
-         \n  c46: #750000;\
-         \n  c47: #780000;\
-         \n  c48: #7a0000;\
-         \n  c49: #7d0000;\
-         \n  c50: maroon;\
-         \n  c51: #820000;\
-         \n  c52: #850000;\
-         \n  c53: #870000;\
-         \n  c54: #8a0000;\
-         \n  c55: #8c0000;\
-         \n  c56: #8f0000;\
-         \n  c57: #910000;\
-         \n  c58: #940000;\
-         \n  c59: #960000;\
-         \n  c60: #990000;\
-         \n  c61: #9c0000;\
-         \n  c62: #9e0000;\
-         \n  c63: #a10000;\
-         \n  c64: #a30000;\
-         \n  c65: #a60000;\
-         \n  c66: #a80000;\
-         \n  c67: #ab0000;\
-         \n  c68: #ad0000;\
-         \n  c69: #b00000;\
-         \n  c70: #b30000;\
-         \n  c71: #b50000;\
-         \n  c72: #b80000;\
-         \n  c73: #ba0000;\
-         \n  c74: #bd0000;\
-         \n  c75: #bf0000;\
-         \n  c76: #c20000;\
-         \n  c77: #c40000;\
-         \n  c78: #c70000;\
-         \n  c79: #c90000;\
-         \n  c80: #cc0000;\
-         \n  c81: #cf0000;\
-         \n  c82: #d10000;\
-         \n  c83: #d40000;\
-         \n  c84: #d60000;\
-         \n  c85: #d90000;\
-         \n  c86: #db0000;\
-         \n  c87: #de0000;\
-         \n  c88: #e00000;\
-         \n  c89: #e30000;\
-         \n  c90: #e60000;\
-         \n  c91: #e80000;\
-         \n  c92: #eb0000;\
-         \n  c93: #ed0000;\
-         \n  c94: #f00000;\
-         \n  c95: #f20000;\
-         \n  c96: #f50000;\
-         \n  c97: #f70000;\
-         \n  c98: #fa0000;\
-         \n  c99: #fc0000;\
-         \n  c100: red;\
-         \n  c101: red;\
+         \n  c-1: rgb(0, 0, 0);\
+         \n  c0: rgb(0, 0, 0);\
+         \n  c1: rgb(3, 0, 0);\
+         \n  c2: rgb(5, 0, 0);\
+         \n  c3: rgb(8, 0, 0);\
+         \n  c4: rgb(10, 0, 0);\
+         \n  c5: rgb(13, 0, 0);\
+         \n  c6: rgb(15, 0, 0);\
+         \n  c7: rgb(18, 0, 0);\
+         \n  c8: rgb(20, 0, 0);\
+         \n  c9: rgb(23, 0, 0);\
+         \n  c10: rgb(26, 0, 0);\
+         \n  c11: rgb(28, 0, 0);\
+         \n  c12: rgb(31, 0, 0);\
+         \n  c13: rgb(33, 0, 0);\
+         \n  c14: rgb(36, 0, 0);\
+         \n  c15: rgb(38, 0, 0);\
+         \n  c16: rgb(41, 0, 0);\
+         \n  c17: rgb(43, 0, 0);\
+         \n  c18: rgb(46, 0, 0);\
+         \n  c19: rgb(48, 0, 0);\
+         \n  c20: rgb(51, 0, 0);\
+         \n  c21: rgb(54, 0, 0);\
+         \n  c22: rgb(56, 0, 0);\
+         \n  c23: rgb(59, 0, 0);\
+         \n  c24: rgb(61, 0, 0);\
+         \n  c25: rgb(64, 0, 0);\
+         \n  c26: rgb(66, 0, 0);\
+         \n  c27: rgb(69, 0, 0);\
+         \n  c28: rgb(71, 0, 0);\
+         \n  c29: rgb(74, 0, 0);\
+         \n  c30: rgb(77, 0, 0);\
+         \n  c31: rgb(79, 0, 0);\
+         \n  c32: rgb(82, 0, 0);\
+         \n  c33: rgb(84, 0, 0);\
+         \n  c34: rgb(87, 0, 0);\
+         \n  c35: rgb(89, 0, 0);\
+         \n  c36: rgb(92, 0, 0);\
+         \n  c37: rgb(94, 0, 0);\
+         \n  c38: rgb(97, 0, 0);\
+         \n  c39: rgb(99, 0, 0);\
+         \n  c40: rgb(102, 0, 0);\
+         \n  c41: rgb(105, 0, 0);\
+         \n  c42: rgb(107, 0, 0);\
+         \n  c43: rgb(110, 0, 0);\
+         \n  c44: rgb(112, 0, 0);\
+         \n  c45: rgb(115, 0, 0);\
+         \n  c46: rgb(117, 0, 0);\
+         \n  c47: rgb(120, 0, 0);\
+         \n  c48: rgb(122, 0, 0);\
+         \n  c49: rgb(125, 0, 0);\
+         \n  c50: rgb(128, 0, 0);\
+         \n  c51: rgb(130, 0, 0);\
+         \n  c52: rgb(133, 0, 0);\
+         \n  c53: rgb(135, 0, 0);\
+         \n  c54: rgb(138, 0, 0);\
+         \n  c55: rgb(140, 0, 0);\
+         \n  c56: rgb(143, 0, 0);\
+         \n  c57: rgb(145, 0, 0);\
+         \n  c58: rgb(148, 0, 0);\
+         \n  c59: rgb(150, 0, 0);\
+         \n  c60: rgb(153, 0, 0);\
+         \n  c61: rgb(156, 0, 0);\
+         \n  c62: rgb(158, 0, 0);\
+         \n  c63: rgb(161, 0, 0);\
+         \n  c64: rgb(163, 0, 0);\
+         \n  c65: rgb(166, 0, 0);\
+         \n  c66: rgb(168, 0, 0);\
+         \n  c67: rgb(171, 0, 0);\
+         \n  c68: rgb(173, 0, 0);\
+         \n  c69: rgb(176, 0, 0);\
+         \n  c70: rgb(179, 0, 0);\
+         \n  c71: rgb(181, 0, 0);\
+         \n  c72: rgb(184, 0, 0);\
+         \n  c73: rgb(186, 0, 0);\
+         \n  c74: rgb(189, 0, 0);\
+         \n  c75: rgb(191, 0, 0);\
+         \n  c76: rgb(194, 0, 0);\
+         \n  c77: rgb(196, 0, 0);\
+         \n  c78: rgb(199, 0, 0);\
+         \n  c79: rgb(201, 0, 0);\
+         \n  c80: rgb(204, 0, 0);\
+         \n  c81: rgb(207, 0, 0);\
+         \n  c82: rgb(209, 0, 0);\
+         \n  c83: rgb(212, 0, 0);\
+         \n  c84: rgb(214, 0, 0);\
+         \n  c85: rgb(217, 0, 0);\
+         \n  c86: rgb(219, 0, 0);\
+         \n  c87: rgb(222, 0, 0);\
+         \n  c88: rgb(224, 0, 0);\
+         \n  c89: rgb(227, 0, 0);\
+         \n  c90: rgb(230, 0, 0);\
+         \n  c91: rgb(232, 0, 0);\
+         \n  c92: rgb(235, 0, 0);\
+         \n  c93: rgb(237, 0, 0);\
+         \n  c94: rgb(240, 0, 0);\
+         \n  c95: rgb(242, 0, 0);\
+         \n  c96: rgb(245, 0, 0);\
+         \n  c97: rgb(247, 0, 0);\
+         \n  c98: rgb(250, 0, 0);\
+         \n  c99: rgb(252, 0, 0);\
+         \n  c100: rgb(255, 0, 0);\
+         \n  c101: rgb(255, 0, 0);\
          \n}\n"
     );
 }
diff --git a/tests/spec/libsass/test.rs b/tests/spec/libsass/test.rs
index bb0b53d67..4d435b6ec 100644
--- a/tests/spec/libsass/test.rs
+++ b/tests/spec/libsass/test.rs
@@ -97,17 +97,17 @@ fn test() {
          \n  hoo: false;\
          \n}\
          \nspan {\
-         \n  a: #641400;\
+         \n  a: rgb(100, 20, 0);\
          \n  b: #aabbcc;\
          \n  c: compact(hello, my, false, name, is, false, aaron, false, false);\
          \n  d: 1, 2, 3, 4, 5, 6;\
          \n  e: a b c d e f;\
          \n  f: #102005;\
          \n  g: #782005;\
-         \n  h: #ffc499;\
+         \n  h: hsl(25deg, 100%, 80%);\
          \n  h: rgba(204, 86, 0, 0.8);\
          \n  h: rgba(204, 85, 0, 0.8);\
-         \n  i: rgba(204, 85, 0, 0.8);\
+         \n  i: hsla(25deg, 100%, 40%, 0.8);\
          \n  foo: url(\"http://blah/flah/grah\");\
          \n  foo: url(http://foo/bar/buzz.css);\
          \n  foo: url(hey4ho.css);\
diff --git a/tests/spec/libsass_closed_issues/issue_1332.rs b/tests/spec/libsass_closed_issues/issue_1332.rs
index 8ef6ceff2..75ba52d63 100644
--- a/tests/spec/libsass_closed_issues/issue_1332.rs
+++ b/tests/spec/libsass_closed_issues/issue_1332.rs
@@ -18,10 +18,10 @@ fn test() {
              \n    color: rgba(20%, 20%, 20%, 0.7);\
              \n}\n"),
         ".box1 {\
-         \n  color: #333333;\
+         \n  color: rgb(51, 51, 51);\
          \n}\
          \n.box2 {\
-         \n  color: #202020;\
+         \n  color: rgb(32, 32, 32);\
          \n}\
          \n.box3 {\
          \n  color: rgba(51, 51, 51, 0.7);\
diff --git a/tests/spec/main.rs b/tests/spec/main.rs
index a361a2b97..c06e6e068 100644
--- a/tests/spec/main.rs
+++ b/tests/spec/main.rs
@@ -1,5 +1,5 @@
 //! Tests auto-converted from "sass-spec/spec"
-//! version 1022770e, 2022-03-09 20:20:14 +0100.
+//! version 34348429, 2022-03-17 15:44:33 -0700.
 //! See <https://github.com/sass/sass-spec> for source material.\n
 //! The following tests are excluded from conversion:
 //! ["core_functions/selector/extend", "core_functions/selector/is_superselector", "core_functions/selector/unify", "directives/extend", "libsass-todo-issues/issue_1801", "libsass-todo-issues/issue_221262.hrx", "libsass-todo-issues/issue_221260.hrx", "libsass-todo-issues/issue_221292.hrx", "libsass/unicode-bom/utf-16-big", "libsass/unicode-bom/utf-16-little", "non_conformant/scss/huge.hrx", "non_conformant/scss/multiline_var.hrx"]
diff --git a/tests/spec/non_conformant/basic/t21_one_builtin_function.rs b/tests/spec/non_conformant/basic/t21_one_builtin_function.rs
index 8be8c148e..80148323e 100644
--- a/tests/spec/non_conformant/basic/t21_one_builtin_function.rs
+++ b/tests/spec/non_conformant/basic/t21_one_builtin_function.rs
@@ -13,8 +13,8 @@ fn test() {
              \n  background: rgb(123, 45, 6);\
              \n}\n"),
         "div {\
-         \n  color: yellow;\
-         \n  background: #7b2d06;\
+         \n  color: rgb(255, 255, 0);\
+         \n  background: rgb(123, 45, 6);\
          \n}\n"
     );
 }
diff --git a/tests/spec/non_conformant/basic/t22_colors_with_alpha.rs b/tests/spec/non_conformant/basic/t22_colors_with_alpha.rs
index 154cd0bda..4d2f2a50c 100644
--- a/tests/spec/non_conformant/basic/t22_colors_with_alpha.rs
+++ b/tests/spec/non_conformant/basic/t22_colors_with_alpha.rs
@@ -30,13 +30,13 @@ fn test() {
              \n  boo: invert(#123456);\
              \n}\n"),
         "div {\
-         \n  color: yellow;\
-         \n  background: #7b2d06;\
+         \n  color: rgb(255, 255, 0);\
+         \n  background: rgb(123, 45, 6);\
          \n  grah: rgba(255, 0, 238, 0.5);\
          \n  blah: rgba(1, 2, 3, 0.6);\
-         \n  floo: aqua;\
+         \n  floo: rgb(0, 255, 255);\
          \n  bloo: rgba(0, 255, 255, 0.7);\
-         \n  groo: aqua;\
+         \n  groo: rgb(0, 255, 255);\
          \n  hoo: 123;\
          \n  moo: 45;\
          \n  poo: 6;\
diff --git a/tests/spec/non_conformant/colors/basic.rs b/tests/spec/non_conformant/colors/basic.rs
index fce1627ea..1c37e7709 100644
--- a/tests/spec/non_conformant/colors/basic.rs
+++ b/tests/spec/non_conformant/colors/basic.rs
@@ -17,12 +17,12 @@ fn test() {
              \n  foo: rgb(200, 150%, 170%);\
              \n}"),
         "p {\
-         \n  color: #ff8000;\
+         \n  color: rgb(255, 128, 0);\
          \n  color: red green blue;\
          \n  color: red green blue;\
          \n  color: redhux;\
          \n  color: redgreen;\
-         \n  foo: #c8ffff;\
+         \n  foo: rgb(200, 255, 255);\
          \n}\n"
     );
 }
diff --git a/tests/spec/non_conformant/scss/alpha.rs b/tests/spec/non_conformant/scss/alpha.rs
index 0d85d3558..1e5475234 100644
--- a/tests/spec/non_conformant/scss/alpha.rs
+++ b/tests/spec/non_conformant/scss/alpha.rs
@@ -31,11 +31,11 @@ fn test() {
              \n  boo: invert(#123456);\
              \n}\n"),
         "div {\
-         \n  color: yellow;\
-         \n  background: #7b2d06;\
+         \n  color: rgb(255, 255, 0);\
+         \n  background: rgb(123, 45, 6);\
          \n  grah: rgba(255, 0, 238, 0.5);\
-         \n  floo: aqua;\
-         \n  groo: aqua;\
+         \n  floo: rgb(0, 255, 255);\
+         \n  groo: rgb(0, 255, 255);\
          \n  hoo: 123;\
          \n  moo: 45;\
          \n  poo: 6;\
diff --git a/tests/spec/non_conformant/scss/color_output.rs b/tests/spec/non_conformant/scss/color_output.rs
index baef2214b..b0dc35c30 100644
--- a/tests/spec/non_conformant/scss/color_output.rs
+++ b/tests/spec/non_conformant/scss/color_output.rs
@@ -63,9 +63,9 @@ fn test() {
          \n  s: green;\
          \n  t: #00FF00;\
          \n  v: #0f0;\
-         \n  w: lime;\
+         \n  w: rgb(0, 255, 0);\
          \n  x: rgba(0, 255, 0, 0.5);\
-         \n  y: lime;\
+         \n  y: rgb(0, 255, 0);\
          \n  z: #00ff01;\
          \n}\
          \nb {\
@@ -74,9 +74,9 @@ fn test() {
          \n  s: 1px solid green;\
          \n  t: 1px solid #00FF00;\
          \n  v: 1px solid #0f0;\
-         \n  w: 1px solid lime;\
+         \n  w: 1px solid rgb(0, 255, 0);\
          \n  x: 1px solid rgba(0, 255, 0, 0.5);\
-         \n  y: 1px solid lime;\
+         \n  y: 1px solid rgb(0, 255, 0);\
          \n  z: 1px solid #00ff01;\
          \n}\
          \nc {\
@@ -85,9 +85,9 @@ fn test() {
          \n  s: green;\
          \n  t: #00FF00;\
          \n  v: #0f0;\
-         \n  w: lime;\
+         \n  w: rgb(0, 255, 0);\
          \n  x: rgba(0, 255, 0, 0.5);\
-         \n  y: lime;\
+         \n  y: rgb(0, 255, 0);\
          \n  z: #00ff01;\
          \n}\
          \nd {\
@@ -96,9 +96,9 @@ fn test() {
          \n  s: 1px solid green;\
          \n  t: 1px solid #00FF00;\
          \n  v: 1px solid #0f0;\
-         \n  w: 1px solid lime;\
+         \n  w: 1px solid rgb(0, 255, 0);\
          \n  x: 1px solid rgba(0, 255, 0, 0.5);\
-         \n  y: 1px solid lime;\
+         \n  y: 1px solid rgb(0, 255, 0);\
          \n  z: 1px solid #00ff01;\
          \n}\n"
     );
diff --git a/tests/spec/values/colors/alpha_hex/initial_digit.rs b/tests/spec/values/colors/alpha_hex/initial_digit.rs
index 6ea0e3736..917202d4d 100644
--- a/tests/spec/values/colors/alpha_hex/initial_digit.rs
+++ b/tests/spec/values/colors/alpha_hex/initial_digit.rs
@@ -23,8 +23,8 @@ fn test() {
              \n  eight-digit-alpha: alpha(#98765432);\
              \n}\n"),
         "a {\
-         \n  four-digit: #0123;\
-         \n  eight-digit: #98765432;\
+         \n  four-digit: rgba(0, 17, 34, 0.2);\
+         \n  eight-digit: rgba(152, 118, 84, 0.1960784314);\
          \n  four-digit-red: 0;\
          \n  four-digit-green: 17;\
          \n  four-digit-blue: 34;\
diff --git a/tests/spec/values/colors/alpha_hex/initial_letter.rs b/tests/spec/values/colors/alpha_hex/initial_letter.rs
index ba91a2659..3efc6c7f5 100644
--- a/tests/spec/values/colors/alpha_hex/initial_letter.rs
+++ b/tests/spec/values/colors/alpha_hex/initial_letter.rs
@@ -23,8 +23,8 @@ fn test() {
              \n  eight-digit-alpha: alpha(#ABCDEF12);\
              \n}\n"),
         "a {\
-         \n  four-digit: #AbCd;\
-         \n  eight-digit: #aBcDeF12;\
+         \n  four-digit: rgba(170, 187, 204, 0.8666666667);\
+         \n  eight-digit: rgba(171, 205, 239, 0.0705882353);\
          \n  four-digit-red: 170;\
          \n  four-digit-green: 187;\
          \n  four-digit-blue: 204;\