diff --git a/addons/web_im/static/src/css/im.css b/addons/web_im/static/src/css/im.css
index 5955aa414c9..0ab7147fcdd 100644
--- a/addons/web_im/static/src/css/im.css
+++ b/addons/web_im/static/src/css/im.css
@@ -107,7 +107,7 @@
     overflow: hidden;
     bottom: 6px;
     margin-right: 6px;
-    background: rgba(0, 0, 0, 0.6);
+    background: rgba(60, 60, 60, 0.8);
     -moz-border-radius: 3px;
     -webkit-border-radius: 3px;
     border-radius: 3px;