diff --git a/lib/static/variables.css b/lib/static/variables.css
index 196d4ecf5..720da6ce6 100644
--- a/lib/static/variables.css
+++ b/lib/static/variables.css
@@ -1,5 +1,5 @@
 :root {
-    --report-color-fail: rgba(255, 4, 0, 0.9);
+    --report-color-fail: #d00;
     --report-color-skip: #8c8c8c;
     --report-color-success: #169737;
 }