diff --git a/docs/theme/nature/static/nature.css_t b/docs/theme/nature/static/nature.css_t
--- a/docs/theme/nature/static/nature.css_t
+++ b/docs/theme/nature/static/nature.css_t
@@ -54,7 +54,7 @@ div.footer a {
 }
  
 div.related {
-    background-color: #003367;
+    background-color: #577632;
     line-height: 32px;
     color: #fff;
     text-shadow: 0px 1px 0 #444;