Minor SCSS refactor

Minor SCSS refactor

diff --git a/assets/stylesheets/cakeday.scss b/assets/stylesheets/cakeday.scss
index ea87bd9..c87b350 100644
--- a/assets/stylesheets/cakeday.scss
+++ b/assets/stylesheets/cakeday.scss
@@ -30,7 +30,7 @@
     }
 
     .user-info-empty-message {
-      color: scale-color($primary, $lightness: 30%);
+      color: $primary-high;
       padding-bottom: 30px;
     }
   }

GitHub sha: 3bd5ffa4