diff --git a/app/assets/stylesheets/framework/contextual_sidebar.scss b/app/assets/stylesheets/framework/contextual_sidebar.scss
index 6f103e4e89a..8b6a7017c47 100644
--- a/app/assets/stylesheets/framework/contextual_sidebar.scss
+++ b/app/assets/stylesheets/framework/contextual_sidebar.scss
@@ -261,7 +261,7 @@
             height: 1px;
             margin: 4px -1px;
             padding: 0;
-            background-color: $dropdown-divider-color;
+            background-color: $dropdown-divider-bg;
           }
 
           > .active {
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index ce5d36a340f..f3c44f32d6f 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -294,10 +294,10 @@
     height: 1px;
     margin: #{$grid-size / 2} 0;
     padding: 0;
-    background-color: $dropdown-divider-color;
+    background-color: $dropdown-divider-bg;
 
     &:hover {
-      background-color: $dropdown-divider-color;
+      background-color: $dropdown-divider-bg;
     }
   }
 
@@ -306,7 +306,7 @@
     height: 1px;
     margin-top: 8px;
     margin-bottom: 8px;
-    background-color: $dropdown-divider-color;
+    background-color: $dropdown-divider-bg;
   }
 
   .dropdown-menu-empty-item a {
@@ -542,7 +542,7 @@
   text-align: center;
   text-overflow: ellipsis;
   white-space: nowrap;
-  border-bottom: 1px solid $dropdown-divider-color;
+  border-bottom: 1px solid $dropdown-divider-bg;
   overflow: hidden;
 }
 
@@ -621,7 +621,7 @@
   padding: 0 7px;
   color: $gl-gray-700;
   line-height: 30px;
-  border: 1px solid $dropdown-divider-color;
+  border: 1px solid $dropdown-divider-bg;
   border-radius: 2px;
   outline: 0;
 
@@ -656,7 +656,7 @@
   padding-top: 10px;
   margin-top: 10px;
   font-size: 13px;
-  border-top: 1px solid $dropdown-divider-color;
+  border-top: 1px solid $dropdown-divider-bg;
 }
 
 .dropdown-footer-content {
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index bf2868710eb..4fcdb862b6d 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -332,7 +332,6 @@ $dropdown-max-height: 312px;
 $dropdown-vertical-offset: 4px;
 $dropdown-empty-row-bg: rgba(#000, 0.04);
 $dropdown-shadow-color: rgba(#000, 0.1);
-$dropdown-divider-color: rgba(#000, 0.1);
 $dropdown-title-btn-color: #bfbfbf;
 $dropdown-input-fa-color: #c7c7c7;
 $dropdown-input-focus-shadow: rgba($blue-300, 0.4);
diff --git a/app/assets/stylesheets/framework/variables_overrides.scss b/app/assets/stylesheets/framework/variables_overrides.scss
index 711de02cd39..fab1b361f14 100644
--- a/app/assets/stylesheets/framework/variables_overrides.scss
+++ b/app/assets/stylesheets/framework/variables_overrides.scss
@@ -20,3 +20,4 @@ $warning: $orange-500;
 $danger: $red-500;
 $zindex-modal-backdrop: 1040;
 $nav-divider-margin-y: ($grid-size / 2);
+$dropdown-divider-bg: $theme-gray-200;
diff --git a/app/assets/stylesheets/pages/boards.scss b/app/assets/stylesheets/pages/boards.scss
index c6074eb9df4..37984a8666f 100644
--- a/app/assets/stylesheets/pages/boards.scss
+++ b/app/assets/stylesheets/pages/boards.scss
@@ -41,7 +41,7 @@
 .issue-board-dropdown-content {
   margin: 0 8px 10px;
   padding-bottom: 10px;
-  border-bottom: 1px solid $dropdown-divider-color;
+  border-bottom: 1px solid $dropdown-divider-bg;
 
   > p {
     margin: 0;
diff --git a/changelogs/unreleased/winh-dropdown-divider-color.yml b/changelogs/unreleased/winh-dropdown-divider-color.yml
new file mode 100644
index 00000000000..6b6ecd831b8
--- /dev/null
+++ b/changelogs/unreleased/winh-dropdown-divider-color.yml
@@ -0,0 +1,5 @@
+---
+title: Change dropdown divider color to gray-200 (#dfdfdf)
+merge_request: 23592
+author:
+type: changed