diff --git a/app/javascript/styles/mastodon-light/diff.scss b/app/javascript/styles/mastodon-light/diff.scss
index d034f0826b..84ccd326ec 100644
--- a/app/javascript/styles/mastodon-light/diff.scss
+++ b/app/javascript/styles/mastodon-light/diff.scss
@@ -52,7 +52,7 @@
   }
 
   .autosuggest-textarea__suggestions {
-    background: lighten($ui-base-color, 4%);
+    background: darken($ui-base-color, 6%);
   }
 
   .autosuggest-textarea__suggestions__item {