I confirmed the colors.

packages/app/src/styles/theme/_apply-colors-dark.scss

@@ -277,11 +277,11 @@ ul.pagination {
   // Pagetree
   .grw-pagetree {
     @include override-list-group-item-for-pagetree(
-      $gray-200,
+      $color-sidebar-context,
       lighten($bgcolor-sidebar-context, 8%),
       lighten($bgcolor-sidebar-context, 15%),
-      $gray-500,
-      $gray-200,
+      darken($color-sidebar-context, 15%),
+      darken($color-sidebar-context, 10%),
       lighten($bgcolor-sidebar-context, 18%),
       lighten($bgcolor-sidebar-context, 24%)
     );