diff --git a/README.md b/README.md
index f754668..f5a29c5 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,16 @@
 A simple extension for [AUTOMATIC1111/stable-diffusion-webui](https://github.com/AUTOMATIC1111/stable-diffusion-webui)
 
 ![Screenhot](https://user-images.githubusercontent.com/963961/226173353-1663b5ba-0394-4505-8811-fcaa0711bf65.png)
+
+## Customize colors
+
+You can customize colors:
+
+1. Go to ``Setting`` tab
+2. Go to ``Enable Checker``
+3. Set colors
+4. Activate ``Use custom colors``
+5. Click ``Apply setting`` button
+6. Click ``Reload UI`` button
+
+![How to change colors](https://user-images.githubusercontent.com/963961/227758528-72929965-e4fe-466e-933a-6cd02cc5b174.png)