From 09d11add908f7aa295e24522eb9e8fff973b2856 Mon Sep 17 00:00:00 2001
From: Vassiliy Kudryashov <Vassiliy.Kudryashov@jetbrains.com>
Date: Wed, 27 Mar 2013 18:34:27 +0400
Subject: [PATCH] http://ea.jetbrains.com/browser/ea_problems/45197

---
 .../src/com/intellij/util/ui/ButtonlessScrollBarUI.java         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java b/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java
index 41ad55d99885..4ca0dd867484 100644
--- a/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java
+++ b/platform/platform-api/src/com/intellij/util/ui/ButtonlessScrollBarUI.java
@@ -296,7 +296,7 @@ public class ButtonlessScrollBarUI extends BasicScrollBarUI {
   protected Color adjustColor(Color c) {
     if (myAnimationColorShift == 0) return c;
     final int sign = UIUtil.isUnderDarcula() ? -1 : 1;
-    return Gray.get(c.getRed() - sign * myAnimationColorShift);
+    return Gray.get(Math.max(0, Math.min(255, c.getRed() - sign * myAnimationColorShift)));
   }
 
   private boolean isVertical() {