diff --git a/src/shared/components/challenge-detail/Specification/SideBar/styles.scss b/src/shared/components/challenge-detail/Specification/SideBar/styles.scss
index 438ad98832..f12799eb63 100644
--- a/src/shared/components/challenge-detail/Specification/SideBar/styles.scss
+++ b/src/shared/components/challenge-detail/Specification/SideBar/styles.scss
@@ -31,7 +31,7 @@
 }
 
 .tctooltip {
-  background: $tc-green;
+  background: $tc-green-110;
   font-style: roboto;
   font-weight: 700;
   font-size: 13px;