diff --git a/apps/common/main/resources/less/colors-table-dark.less b/apps/common/main/resources/less/colors-table-dark.less
index 7ebf68cad..2be210f12 100644
--- a/apps/common/main/resources/less/colors-table-dark.less
+++ b/apps/common/main/resources/less/colors-table-dark.less
@@ -56,7 +56,7 @@
 
         // Canvas
 
-        --canvas-background: #666;
+        --canvas-background: #555;
         --canvas-content-background: #fff;
         --canvas-page-border: #555;
 
@@ -87,8 +87,8 @@
         --canvas-scroll-thumb-hover: #999;
         --canvas-scroll-thumb-pressed: #adadad;
         --canvas-scroll-thumb-border: #2a2a2a;
-        --canvas-scroll-thumb-border-hover: #2a2a2a;
-        --canvas-scroll-thumb-border-pressed: #2a2a2a;
+        --canvas-scroll-thumb-border-hover: #999;
+        --canvas-scroll-thumb-border-pressed: #adadad;
         --canvas-scroll-arrow: #999;
         --canvas-scroll-arrow-hover: #404040;
         --canvas-scroll-arrow-pressed: #404040;