diff --git a/ui/src/common/color.scss b/ui/src/common/color.scss
index 1ded9c42c..36c9a2c14 100644
--- a/ui/src/common/color.scss
+++ b/ui/src/common/color.scss
@@ -22,7 +22,7 @@
   --an-toolbar-divider: rgba(0, 0, 0, 0.1);
   --an-ced4da: #ced4da;
   --an-e9ecef: #e9ecef;
-  --an-pre: #161b22;
+  --an-pre: #f8f9fa;
   --an-6c757d: #6c757d;
   --an-212529: #212529;
   --an-gray-300: var(--bs-gray-300);
diff --git a/ui/src/index.scss b/ui/src/index.scss
index fb1e06a79..79ad1be7b 100644
--- a/ui/src/index.scss
+++ b/ui/src/index.scss
@@ -281,7 +281,7 @@ img[src=''] {
     }
   }
   pre {
-    background-color: var(--bs-gray-100);
+    background-color: var(--an-pre);
     border-radius: 0.25rem;
     padding: 1rem;
     max-height: 38rem;