diff --git a/addons/mail/static/src/scss/systray.scss b/addons/mail/static/src/scss/systray.scss
index 2614f0da170..b40e4f73bdf 100644
--- a/addons/mail/static/src/scss/systray.scss
+++ b/addons/mail/static/src/scss/systray.scss
@@ -23,7 +23,7 @@
         margin-top: -0.8rem;
         margin-right: 0;
         margin-left: -0.6rem;
-        background: $o-brand-primary;
+        background: #00A09D;
         color: white;
         vertical-align: super;
         font-size: 0.7em;