diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index e7c9aba399b..07614dc2c6b 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -608,6 +608,9 @@
 }
 .openerp .oe_notebook > li > a {
   display: block;
+  color: gray;
+}
+.openerp .oe_notebook > li.ui-tabs-active > a {
   color: #4c4c4c;
 }
 .openerp .oe_notebook {
diff --git a/addons/web/static/src/css/base.sass b/addons/web/static/src/css/base.sass
index effb9d6634d..d9f3644135b 100644
--- a/addons/web/static/src/css/base.sass
+++ b/addons/web/static/src/css/base.sass
@@ -530,6 +530,8 @@ $sheet-padding: 16px
         float: left
     .oe_notebook > li > a
         display: block
+        color: #808080
+    .oe_notebook > li.ui-tabs-active > a
         color: #4c4c4c
     .oe_notebook
         border-color: #ddd