diff --git a/sites/github.styl b/sites/github.styl
index ebba045..da5f849 100644
--- a/sites/github.styl
+++ b/sites/github.styl
@@ -169,7 +169,7 @@ a.filter-item
 
 .avatar
 .timeline-comment-avatar
-    filter opacity(50%)
+    filter opacity(75%)
 
 // ** Code syntax highlighting
 .blob-code