diff --git a/website/static/app.css b/website/static/app.css
index 59187d16d558..f2056995ce70 100644
--- a/website/static/app.css
+++ b/website/static/app.css
@@ -1,3 +1,5 @@
+/* http://www.colorhexa.com/48b7b9 */
+
 html, body {
   font-family: 'Roboto', sans-serif;
   font-size: 15px;
@@ -172,4 +174,4 @@ pre, code {
   .content-nav {
     display: none;
   }
-}
\ No newline at end of file
+}