diff --git a/_functions.scss b/_functions.scss
index e69de29..1c8c03e 100644
--- a/_functions.scss
+++ b/_functions.scss
@@ -0,0 +1 @@
+@import "functions/tint";
diff --git a/functions/_tint.scss b/functions/_tint.scss
new file mode 100644
index 0000000..e7e4329
--- /dev/null
+++ b/functions/_tint.scss
@@ -0,0 +1,12 @@
+/* Yanked from http://sass-guidelin.es/#lightening-and-darkening-colors */
+
+/*
+Slightly lighten a color
+@access public
+@param {Color} $color - color to tint
+@param {Number} $percentage - percentage of `$color` in returned color
+@return {Color}
+*/
+@function tint($color, $percentage) {
+  @return mix(white, $color, $percentage);
+}