Free · Preview color vision
Color Blindness Simulator
See how one color may look with three common kinds of color-vision difference.
- Instant results
- Private in your browser
- No signup or limits
Preview one color four ways
These previews are useful guides. Real color vision varies from person to person.
Add words, icons, patterns, or shapes when a color carries meaning. This helps everyone understand the message.
Three simple steps
How to use it
- Choose the color you want to check.
- Compare the original with the three previews.
- Do not use color alone to explain an error, status, or action.
Your colors stay on this device
This tool runs in your browser. Bookify does not upload or save your colors or images. Close the tab and the working data is gone.