diff --git a/client/css/core-general.styl b/client/css/core-general.styl
index 11f0a6aa..f0035042 100644
--- a/client/css/core-general.styl
+++ b/client/css/core-general.styl
@@ -275,7 +275,7 @@ a .access-key
             background: darken($message-error-background-color, 60%)
         &.success
             border: 1px solid darken($message-success-border-color, 30%)
-            background: darken($message-success-background-color, 60%)
+            background: darken($message-success-background-color, 80%)
 
 .thumbnail
     /*background-image: attr(data-src url)*/ /* not available yet */