diff --git a/addons/survey/static/src/scss/survey_question_views.scss b/addons/survey/static/src/scss/survey_question_views.scss
index 02dd9fa0d6c..fca016908ef 100644
--- a/addons/survey/static/src/scss/survey_question_views.scss
+++ b/addons/survey/static/src/scss/survey_question_views.scss
@@ -1,11 +1,11 @@
 .o_survey_question_view_form {
 
     .o_preview_questions {
-        border: 3px solid #C9C6C6;
+        border: 3px solid $o-gray-500;
         width: auto;
         padding: 10px 20px 10px;
         margin-top: 15px;
-        color: #C9C6C6;
+        color: $o-gray-500;
     }
 
     .o_preview_questions .o_datetime {