diff --git a/css/html_instruct_style.css b/css/html_instruct_style.css
index fcd0558f..4613b380 100644
--- a/css/html_instruct_style.css
+++ b/css/html_instruct_style.css
@@ -46,7 +46,7 @@
 }
 
 .chat .user-message {
-    background: #f4f4f4;
+    background: #f5f5f5;
     padding: 1.5rem 1rem;
     padding-bottom: 2rem;
     border-radius: 0;
diff --git a/css/main.css b/css/main.css
index b10d1980..23492338 100644
--- a/css/main.css
+++ b/css/main.css
@@ -2,7 +2,7 @@
     --darker-gray: #202123;
     --dark-gray: #343541;
     --light-gray: #444654;
-    --light-theme-gray: #f4f4f4;
+    --light-theme-gray: #f5f5f5;
     --border-color-dark: #525252;
     --header-width: 112px;
     --selected-item-color-dark: #32333e;