Color Blindness Simulator
Preview how colors appear to people with color vision deficiencies. Free accessibility tool.
All processing happens in your browser. Your data never leaves your device.
Original Colors
#FF0000 vs #00FF00
Normal Vision
#FF0000 vs #00FF00
Sample UI Preview
Button
Link Text
Badge
How to Use
- 1Enter or pick two colors.
- 2Select a color blindness type.
- 3See how colors appear and check UI readability.
What is Color Blindness Simulator?
Color Blindness Simulator helps designers test color combinations against different types of color vision deficiencies to ensure accessible designs.
Key Features
- 5 vision types
- Real-time simulation
- Side-by-side comparison
- UI element preview
- HEX color support
- 100% client-side
Color Blindness Simulator vs Other Tools
| Feature | Color Blindness Simulator | Other Tools |
|---|---|---|
| Client-side processing | Yes | Varies |
| No signup required | Yes | Often required |
| Privacy-first (no data sent) | Yes | Rarely |
| Free & unlimited | Yes | Often limited |
| No ads interruption | Yes | Often no |
FAQ
Why is web accessibility important?
Web accessibility ensures that websites and tools are usable by everyone, including people with disabilities. It's both a legal requirement in many jurisdictions and a best practice for inclusive design.
What are WCAG guidelines?
WCAG (Web Content Accessibility Guidelines) provide a set of recommendations for making web content more accessible. They cover perceivability, operability, understandability, and robustness.