diff --git a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_ide_colorextensions.css b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_ide_colorextensions.css
index e0304a3b7d4..639ccc32110 100644
--- a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_ide_colorextensions.css
+++ b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_ide_colorextensions.css
@@ -122,25 +122,25 @@ ColorDefinition#org-eclipse-ui-workbench-INACTIVE_TAB_SELECTED_TEXT_COLOR {
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_UNSELECTED_TABS_COLOR_START {
-	color: #494A4D;
+	color: #48484c;
 	category: '#org-eclipse-ui-presentation-default';
 	label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_UNSELECTED_TABS_COLOR_START');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_UNSELECTED_TABS_COLOR_END {
-	color: #404043;
+	color: #48484c;
 	category: '#org-eclipse-ui-presentation-default';
 	label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_UNSELECTED_TABS_COLOR_END');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_BG_START {
-    color: #2B2C2D;
+    color: #48484c;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_TAB_BG_START');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_BG_END {
-    color: #292929;
+    color: #48484c;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_TAB_BG_END');
 }
@@ -158,25 +158,25 @@ ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_INNER_KEYLINE_COLOR {
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_OUTLINE_COLOR {
-	color: #4B4C4F;
+	color: #48484c;
 	category: '#org-eclipse-ui-presentation-default';
 	label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_TAB_OUTLINE_COLOR');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_TEXT_COLOR {
-    color: #DDDDDD;
+    color: #bbbbbb;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_TAB_TEXT_COLOR');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_UNSELECTED_TEXT_COLOR {
-    color: #DDDDDD;
+    color: #bbbbbb;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_TAB_UNSELECTED_TEXT_COLOR');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_TAB_SELECTED_TEXT_COLOR {
-    color: #f7f8f8;
+    color: #ffffff;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_TAB_SELECTED_TEXT_COLOR');
 }
@@ -194,13 +194,13 @@ ColorDefinition#org-eclipse-ui-workbench-ACTIVE_NOFOCUS_TAB_BG_END {
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_NOFOCUS_TAB_TEXT_COLOR {
-    color: #CCCCCC;
+    color: #bbbbbb;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_NOFOCUS_TAB_TEXT_COLOR');
 }
 
 ColorDefinition#org-eclipse-ui-workbench-ACTIVE_NOFOCUS_TAB_SELECTED_TEXT_COLOR {
-    color: #CCCCCC;
+   color: #ffffff;
     category: '#org-eclipse-ui-presentation-default';
     label: url('platform:/plugin/org.eclipse.ui.themes?message=ACTIVE_NOFOCUS_TAB_SELECTED_TEXT_COLOR');
 }
diff --git a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_preferencestyle.css b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_preferencestyle.css
index e08713009f9..229475b5a11 100644
--- a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_preferencestyle.css
+++ b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_preferencestyle.css
@@ -15,14 +15,12 @@
  *******************************************************************************/
 
 /* ############################## Eclipse UI properties ############################## */
-
-
 IEclipsePreferences#org-eclipse-ui-editors:org-eclipse-ui-themes { /* pseudo attribute added to allow contributions without replacing this node, see Bug 466075 */
 	preferences:
 		'AbstractTextEditor.Color.Background.SystemDefault=false'
 		'AbstractTextEditor.Color.SelectionForeground.SystemDefault=false'
 		'AbstractTextEditor.Color.SelectionBackground.SystemDefault=false'
-		'AbstractTextEditor.Color.Background=47,47,47'
+		'AbstractTextEditor.Color.Background=30,31,34'
 		'AbstractTextEditor.Color.Foreground.SystemDefault=false'
 		'AbstractTextEditor.Color.SelectionBackground=33,66,131'
 		'AbstractTextEditor.Color.SelectionForeground=147,161,161'
diff --git a/bundles/org.eclipse.ui.themes/css/e4-dark_mac.css b/bundles/org.eclipse.ui.themes/css/e4-dark_mac.css
index 17873c94eb7..a0e8c35f4fe 100644
--- a/bundles/org.eclipse.ui.themes/css/e4-dark_mac.css
+++ b/bundles/org.eclipse.ui.themes/css/e4-dark_mac.css
@@ -53,3 +53,68 @@ Button  {
     color: unset;
 }
 
+/* Below changes include enhancement to the existing dark theme with ref to other IDEs like IntelliJ, VS Code etc. */
+
+/* Inactive view tabs  */
+.MPartStack {
+	swt-draw-custom-tab-content-background: true;
+	swt-unselected-hot-tab-color-background: #48484c;
+}
+
+CTabFolder{
+	swt-selected-tab-highlight: #2b79d7;
+    swt-selected-highlight-top: false;
+}
+
+CTabFolder.active {
+    swt-selected-tab-highlight: #2b79d7;
+    swt-selected-highlight-top: false;
+}
+
+/*text color of selected tab in editor */
+#org-eclipse-ui-editorss CTabItem:selected{
+	color: '#FFFFFF';
+}
+
+#org-eclipse-ui-editorss CTabFolder{
+ 	swt-selected-tab-fill : '#1E1F22';
+	swt-selected-tab-highlight: '#2b79d7';
+    swt-selected-highlight-top: true;	
+}
+
+#org-eclipse-ui-editorss CTabFolder.active {
+    swt-selected-tab-highlight: '#2b79d7';
+    swt-selected-highlight-top: true;
+}
+
+CTabFolder[style~='SWT.DOWN'][style~='SWT.BOTTOM'] {
+    /* Set the styles for the bottom inner tabs (Bug 430051): */
+    swt-tab-renderer: url('bundleclass://org.eclipse.e4.ui.workbench.renderers.swt/org.eclipse.e4.ui.workbench.renderers.swt.CTabRendering');
+    swt-selected-tab-fill: #1E1F22;
+    swt-unselected-tabs-color: #48484c;
+    swt-unselected-hot-tab-color-background: #2f2f2f;
+    swt-selected-tab-highlight: #2b79d7;
+    swt-selected-highlight-top: false;
+}
+
+#DebugBreadcrumbItemComposite,
+#DebugBreadcrumbItemDropDownToolBar,
+#DebugBreadcrumbItemDetailComposite,
+#DebugBreadcrumbItemDetailImageComposite,
+#DebugBreadcrumbItemDetailImageLabel,
+#DebugBreadcrumbItemDetailTextComposite,
+#DebugBreadcrumbItemDetailTextLabel {
+	background-color: '#1E1F22';
+}
+
+.MPart Form Composite,
+.MPart Form Composite Tree,
+.MPartStack.active .MPart Form Composite Tree
+{
+	background-color: #1E1F22;
+}
+
+.MPart Form AdtFormToolkit-AdtHyperLink{
+	background-color: inherit;
+}
+
diff --git a/bundles/org.eclipse.ui.themes/css/e4-dark_win.css b/bundles/org.eclipse.ui.themes/css/e4-dark_win.css
index 0b0afa540d0..3e6d803576c 100644
--- a/bundles/org.eclipse.ui.themes/css/e4-dark_win.css
+++ b/bundles/org.eclipse.ui.themes/css/e4-dark_win.css
@@ -135,3 +135,67 @@ ImageBasedFrame,
     color: #DDDDDD;
 }
 
+/* Below changes include enhancement to the existing dark theme with ref to other IDEs like IntelliJ, VS Code etc. */
+
+/* Inactive view tabs  */
+.MPartStack {
+	swt-draw-custom-tab-content-background: true;
+	swt-unselected-hot-tab-color-background: #48484c;
+}
+
+CTabFolder{
+	swt-selected-tab-highlight: #2b79d7;
+    swt-selected-highlight-top: false;
+}
+
+CTabFolder.active {
+    swt-selected-tab-highlight: #2b79d7;
+    swt-selected-highlight-top: false;
+}
+
+/*text color of selected tab in editor */
+#org-eclipse-ui-editorss CTabItem:selected{
+	color: '#FFFFFF';
+}
+
+#org-eclipse-ui-editorss CTabFolder{
+ 	swt-selected-tab-fill : '#1E1F22';
+	swt-selected-tab-highlight: '#2b79d7';
+    swt-selected-highlight-top: true;	
+}
+
+#org-eclipse-ui-editorss CTabFolder.active {
+    swt-selected-tab-highlight: '#2b79d7';
+    swt-selected-highlight-top: true;
+}
+
+CTabFolder[style~='SWT.DOWN'][style~='SWT.BOTTOM'] {
+    /* Set the styles for the bottom inner tabs (Bug 430051): */
+    swt-tab-renderer: url('bundleclass://org.eclipse.e4.ui.workbench.renderers.swt/org.eclipse.e4.ui.workbench.renderers.swt.CTabRendering');
+    swt-selected-tab-fill: #1E1F22;
+    swt-unselected-tabs-color: #48484c;
+    swt-unselected-hot-tab-color-background: #2f2f2f;
+    swt-selected-tab-highlight: #2b79d7;
+    swt-selected-highlight-top: false;
+}
+
+#DebugBreadcrumbItemComposite,
+#DebugBreadcrumbItemDropDownToolBar,
+#DebugBreadcrumbItemDetailComposite,
+#DebugBreadcrumbItemDetailImageComposite,
+#DebugBreadcrumbItemDetailImageLabel,
+#DebugBreadcrumbItemDetailTextComposite,
+#DebugBreadcrumbItemDetailTextLabel {
+	background-color: '#1E1F22';
+}
+
+.MPart Form Composite,
+.MPart Form Composite Tree,
+.MPartStack.active .MPart Form Composite Tree
+{
+	background-color: #1E1F22;
+}
+
+.MPart Form AdtFormToolkit-AdtHyperLink{
+	background-color: inherit;
+}