User Tools

Site Tools

This page exists within the Old ArtZone Wiki section of this site. Read the information presented on the linked page to better understand the significance of this fact.

Using the Gimp to Change Eye Texture Iris Colors

Author: DragonEagle

Tools Needed

  • The Gimp


For this tutorial you will need the gimp from We're going to change the iris color on an existing texture in as few steps as possible.


Step 1 - Load your image in the gimp


Load the image you want to modify into the gimp. It will usually be a jpeg image.


Go to the layers dialog and select duplicate layer.

Step 2 - Setup the layer for your new color


Click on the background color in the Gimp toolbox twice and set the sliders for your new base eye color



In the layers dialog make sure you have the bottom layer selected. Hit Ctrl+A (Select|All) Ctrl+K (Edit|Clear) and Ctrl+Shift+A (Select|None) to fill the entire layer with your new background color.

Step 3 - Store the existing eye color for removal


Make sure that your top layer is selected.


Use the color picker tool to select the lightest (or close to it) color from the iris.

Step 4 - Select the iris for filtering.


Using the wand tool, select the iris.


You will have to hold down the Shift key and click in the iris a few times to get it all selected.


Step 5 - Filter out the original color

This is where the real magic happens


Click on the foreground color in the toolbox (the one you saved 2 steps ago.) Select the text in the Html Notation box and copy it to the clipboard


Select Filters|Color|Color To Alpha from the menu in the picture edit window and you will get a dialog box like the one above. Click on the Color Select (outlined in red, ) paste the foreground color text into the HTML Notation box and click Ok.


Click OK in the Color to Alpha dialog and watch your eye color change.


Step 6 - Save the new texture

Hit Ctrl+Shift+A (Select|None) and save your new image as a jpeg somewhere where you can find it. Click “Export” if a dialog comes up saying that JPEG can't handle transparency. Apply your new texture to your model and you're done.