diff --git a/public/stylesheets/sass/application.sass b/public/stylesheets/sass/application.sass
index 5a4b4ee1e..adcfb5588 100644
--- a/public/stylesheets/sass/application.sass
+++ b/public/stylesheets/sass/application.sass
@@ -2544,7 +2544,7 @@ ul.show_comments,
 
 .conversation.unread
   :background
-    :color lighten($background,5%)
+    :color darken($background,5%)
 
 .conversation.selected
   :background