diff --git a/lms/static/sass/base/_variables.scss b/lms/static/sass/base/_variables.scss
index 61c8072e38..1f7f89db17 100644
--- a/lms/static/sass/base/_variables.scss
+++ b/lms/static/sass/base/_variables.scss
@@ -398,9 +398,9 @@ $form-bg-color: $white;
 $modal-bg-color: rgb(245,245,245);
 
 // MISC: sidebar
-$sidebar-chapter-bg-top: rgba(255, 255, 255, .6);
+$sidebar-chapter-bg-top: rgba(255, 255, 255, .5);
 $sidebar-chapter-bg-bottom: rgba(255, 255, 255, 0);
-$sidebar-chapter-bg: rgb(238,238,238); // #eeeeee
+$sidebar-chapter-bg: rgb(246,246,246); // #f6f6f6
 $sidebar-active-image: linear-gradient(top, rgb(230,230,230), rgb(214,214,214));
 
 // TOP HEADER IMAGE MARGIN