diff --git a/platform/editor-ui-api/src/com/intellij/openapi/editor/colors/EditorColorsUtil.java b/platform/editor-ui-api/src/com/intellij/openapi/editor/colors/EditorColorsUtil.java
index 1f51f943e716..a1a643cb482f 100644
--- a/platform/editor-ui-api/src/com/intellij/openapi/editor/colors/EditorColorsUtil.java
+++ b/platform/editor-ui-api/src/com/intellij/openapi/editor/colors/EditorColorsUtil.java
@@ -15,6 +15,8 @@
  */
 package com.intellij.openapi.editor.colors;
 
+import com.intellij.ide.ui.UISettings;
+import com.intellij.ide.ui.UISettingsListener;
 import com.intellij.ui.ColorUtil;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
@@ -77,4 +79,22 @@ public class EditorColorsUtil {
     return colorsManager.isDarkEditor() ? colorsManager.getScheme(EditorColorsManager.DEFAULT_SCHEME_NAME)
                                         : colorsManager.getGlobalScheme();
   }
+
+  /**
+   * Use this method before showing a hidden component to make sure its LaF and colors are up-to-date.
+   * If a component was not reachable via Swing hierarchy and also was not reported via
+   * {@link UIUtil#NOT_IN_HIERARCHY_COMPONENTS}, its look-and-feel and colors need to be refreshed.
+   *
+   * @see com.intellij.util.ComponentTreeEventDispatcher
+   * @see UIUtil#NOT_IN_HIERARCHY_COMPONENTS
+   */
+  public static void updateNotInHierarchyComponentUIAndColors(@Nullable Component component) {
+    if (component == null || component.isValid()) return;
+    for (Component o : UIUtil.uiTraverser(component).postOrderDfsTraversal()) {
+      if (o instanceof JComponent) ((JComponent)o).updateUI();
+      if (o instanceof UISettingsListener) ((UISettingsListener)o).uiSettingsChanged(UISettings.getInstance());
+      if (o instanceof EditorColorsListener)
+        ((EditorColorsListener)o).globalSchemeChange(EditorColorsManager.getInstance().getGlobalScheme());
+    }
+  }
 }