diff --git a/src/material/core/option/optgroup.scss b/src/material/core/option/optgroup.scss
index c46707607b84..f46bf360f39d 100644
--- a/src/material/core/option/optgroup.scss
+++ b/src/material/core/option/optgroup.scss
@@ -42,5 +42,6 @@
     text-decoration: inherit;
     text-transform: inherit;
     white-space: normal;
+    color: inherit;
   }
 }