diff --git a/addons/web/static/src/views/form/form_controller.scss b/addons/web/static/src/views/form/form_controller.scss
index 19dfb92b5a8..1b1d61d9bd0 100644
--- a/addons/web/static/src/views/form/form_controller.scss
+++ b/addons/web/static/src/views/form/form_controller.scss
@@ -604,8 +604,8 @@
             font-size: $o-font-size-base-touch;
         }
 
-        &.o_form_label_empty, &.o_form_label_false {
-            opacity: 0.5;
+        &.o_form_label_empty, &.o_form_label_false, &.o_form_label_readonly {
+            opacity: 0.66;
             font-weight: $font-weight-normal;
         }
     }