diff --git a/doc/api_assets/style.css b/doc/api_assets/style.css
index b1c8a763a638aa..97215226d5582b 100644
--- a/doc/api_assets/style.css
+++ b/doc/api_assets/style.css
@@ -11,7 +11,7 @@
   --red1: #d60027;
   --red2: #d50027;
   --red3: #ca5010;
-  --green1: #43853d;
+  --green1: #3e7a38;
   --green2: #5a8147;
   --green3: #64de64;
   --green4: #99cc7d;