diff --git a/envergo/static/sass/project.scss b/envergo/static/sass/project.scss
index 8c20ffaff..5430cd483 100644
--- a/envergo/static/sass/project.scss
+++ b/envergo/static/sass/project.scss
@@ -105,6 +105,8 @@ article {
 
   &.probability-soumis,
   &.probability-systematique,
+  &.probability-derogation,
+  &.probability-derogation_simplifiee,
   &.probability-4 {
     background-color: #ffb7a5;
   }