diff --git a/app/javascript/styles/mastodon-light/diff.scss b/app/javascript/styles/mastodon-light/diff.scss
index 84ccd326ec8..d034f0826b3 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: darken($ui-base-color, 6%);
+    background: lighten($ui-base-color, 4%);
   }
 
   .autosuggest-textarea__suggestions__item {