diff --git a/o.n.swing.laf.dark/src/org/netbeans/swing/laf/dark/DarkNimbusLookAndFeel.java b/o.n.swing.laf.dark/src/org/netbeans/swing/laf/dark/DarkNimbusLookAndFeel.java
--- a/o.n.swing.laf.dark/src/org/netbeans/swing/laf/dark/DarkNimbusLookAndFeel.java
+++ b/o.n.swing.laf.dark/src/org/netbeans/swing/laf/dark/DarkNimbusLookAndFeel.java
@@ -41,6 +41,7 @@
  */
 package org.netbeans.swing.laf.dark;
 
+import java.awt.Color;
 import javax.swing.UIDefaults;
 import javax.swing.plaf.nimbus.NimbusLookAndFeel;
 import org.openide.util.NbBundle;
@@ -69,4 +70,15 @@
         super.initialize();
         DarkNimbusTheme.install( this );
     }
+
+    @Override
+    public Color getDerivedColor(String uiDefaultParentName, float hOffset, float sOffset, float bOffset, int aOffset, boolean uiResource) {
+        float brightness = bOffset;
+        if ((bOffset == -0.34509805f) && "nimbusBlueGrey".equals(uiDefaultParentName)) { //NOI18N
+            //Match only for TreeHandle Color in Nimbus, workaround for #231953
+            brightness = -bOffset; 
+        }
+        return super.getDerivedColor(uiDefaultParentName, hOffset, sOffset, brightness, aOffset, uiResource);
+    }
+
 }