diff --git a/src/main/java/net/minecraftforge/client/event/RenderTooltipEvent.java b/src/main/java/net/minecraftforge/client/event/RenderTooltipEvent.java
index 59c08110e8..52fdf870e4 100644
--- a/src/main/java/net/minecraftforge/client/event/RenderTooltipEvent.java
+++ b/src/main/java/net/minecraftforge/client/event/RenderTooltipEvent.java
@@ -241,4 +241,74 @@ public abstract class RenderTooltipEvent extends Event
         public PostText(@Nonnull ItemStack stack, @Nonnull List<String> textLines, int x, int y, @Nonnull FontRenderer fr, int width, int height)
             { super(stack, textLines, x, y, fr, width, height); }
     }
+    
+    /**
+     * This event is fired when the colours for the tooltip background are determined. 
+     */
+    public static class Color extends RenderTooltipEvent
+    {
+        private final int originalBackground;
+        private final int originalBorderStart;
+        private final int originalBorderEnd;
+        private int background;
+        private int borderStart;
+        private int borderEnd;
+
+        public Color(@Nonnull ItemStack stack, @Nonnull List<String> textLines, int x, int y, @Nonnull FontRenderer fr, int background, int borderStart,
+                int borderEnd)
+        {
+            super(stack, textLines, x, y, fr);
+            this.originalBackground = background;
+            this.originalBorderStart = borderStart;
+            this.originalBorderEnd = borderEnd;
+            this.background = background;
+            this.borderStart = borderStart;
+            this.borderEnd = borderEnd;
+        }
+
+        public int getBackground()
+        {
+            return background;
+        }
+
+        public void setBackground(int background)
+        {
+            this.background = background;
+        }
+
+        public int getBorderStart()
+        {
+            return borderStart;
+        }
+
+        public void setBorderStart(int borderStart)
+        {
+            this.borderStart = borderStart;
+        }
+
+        public int getBorderEnd()
+        {
+            return borderEnd;
+        }
+
+        public void setBorderEnd(int borderEnd)
+        {
+            this.borderEnd = borderEnd;
+        }
+
+        public int getOriginalBackground()
+        {
+            return originalBackground;
+        }
+
+        public int getOriginalBorderStart()
+        {
+            return originalBorderStart;
+        }
+
+        public int getOriginalBorderEnd()
+        {
+            return originalBorderEnd;
+        }
+    }
 }
diff --git a/src/main/java/net/minecraftforge/fml/client/config/GuiUtils.java b/src/main/java/net/minecraftforge/fml/client/config/GuiUtils.java
index 016763942b..afdbf9c961 100644
--- a/src/main/java/net/minecraftforge/fml/client/config/GuiUtils.java
+++ b/src/main/java/net/minecraftforge/fml/client/config/GuiUtils.java
@@ -371,14 +371,19 @@ public class GuiUtils
             }
 
             final int zLevel = 300;
-            final int backgroundColor = 0xF0100010;
+            int backgroundColor = 0xF0100010;
+            int borderColorStart = 0x505000FF;
+            int borderColorEnd = (borderColorStart & 0xFEFEFE) >> 1 | borderColorStart & 0xFF000000;
+            RenderTooltipEvent.Color colorEvent = new RenderTooltipEvent.Color(stack, textLines, tooltipX, tooltipY, font, backgroundColor, borderColorStart, borderColorEnd);
+            MinecraftForge.EVENT_BUS.post(colorEvent);
+            backgroundColor = colorEvent.getBackground();
+            borderColorStart = colorEvent.getBorderStart();
+            borderColorEnd = colorEvent.getBorderEnd();
             drawGradientRect(zLevel, tooltipX - 3, tooltipY - 4, tooltipX + tooltipTextWidth + 3, tooltipY - 3, backgroundColor, backgroundColor);
             drawGradientRect(zLevel, tooltipX - 3, tooltipY + tooltipHeight + 3, tooltipX + tooltipTextWidth + 3, tooltipY + tooltipHeight + 4, backgroundColor, backgroundColor);
             drawGradientRect(zLevel, tooltipX - 3, tooltipY - 3, tooltipX + tooltipTextWidth + 3, tooltipY + tooltipHeight + 3, backgroundColor, backgroundColor);
             drawGradientRect(zLevel, tooltipX - 4, tooltipY - 3, tooltipX - 3, tooltipY + tooltipHeight + 3, backgroundColor, backgroundColor);
             drawGradientRect(zLevel, tooltipX + tooltipTextWidth + 3, tooltipY - 3, tooltipX + tooltipTextWidth + 4, tooltipY + tooltipHeight + 3, backgroundColor, backgroundColor);
-            final int borderColorStart = 0x505000FF;
-            final int borderColorEnd = (borderColorStart & 0xFEFEFE) >> 1 | borderColorStart & 0xFF000000;
             drawGradientRect(zLevel, tooltipX - 3, tooltipY - 3 + 1, tooltipX - 3 + 1, tooltipY + tooltipHeight + 3 - 1, borderColorStart, borderColorEnd);
             drawGradientRect(zLevel, tooltipX + tooltipTextWidth + 2, tooltipY - 3 + 1, tooltipX + tooltipTextWidth + 3, tooltipY + tooltipHeight + 3 - 1, borderColorStart, borderColorEnd);
             drawGradientRect(zLevel, tooltipX - 3, tooltipY - 3, tooltipX + tooltipTextWidth + 3, tooltipY - 3 + 1, borderColorStart, borderColorStart);
diff --git a/src/test/java/net/minecraftforge/debug/TooltipColorTest.java b/src/test/java/net/minecraftforge/debug/TooltipColorTest.java
new file mode 100644
index 0000000000..92e4440fb8
--- /dev/null
+++ b/src/test/java/net/minecraftforge/debug/TooltipColorTest.java
@@ -0,0 +1,37 @@
+package net.minecraftforge.debug;
+
+import net.minecraft.init.Items;
+import net.minecraftforge.client.event.RenderTooltipEvent;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+
+@Mod(modid = TooltipColorTest.MODID, name = "Tooltip Color Test", version = "0.1", clientSideOnly = true)
+public class TooltipColorTest
+{
+    public static final String MODID = "tooltipcolortest";
+
+    private static final boolean ENABLE = false;
+
+    public TooltipColorTest()
+    {
+        if (ENABLE)
+        {
+            MinecraftForge.EVENT_BUS.register(this);
+        }
+    }
+
+    @SubscribeEvent
+    @SideOnly(Side.CLIENT)
+    public void getTooltipColor(RenderTooltipEvent.Color event)
+    {
+        if (event.getStack().getItem() == Items.APPLE)
+        {
+            event.setBackground(0xF0510404);
+            event.setBorderStart(0xF0bc0909);
+            event.setBorderEnd(0xF03f0f0f);
+        }
+    }
+}
\ No newline at end of file