diff --git a/components/style/values/specified/color.rs b/components/style/values/specified/color.rs
index 1260f1ebc65..53c5b641983 100644
--- a/components/style/values/specified/color.rs
+++ b/components/style/values/specified/color.rs
@@ -740,6 +740,9 @@ impl SpecifiedValueInfo for Color {
             "currentColor",
             "transparent",
         ]);
+        if static_prefs::pref!("layout.css.color-mix.enabled") {
+            f(&["color-mix"]);
+        }
     }
 }