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日本語: Color Blindness Simulator

日本語: Simulate how colors appear to people with different types of color vision deficiencies.

color blindness simulatorcolor vision deficiencyaccessibility testingcolor simulationdesign accessibility

Color Vision Deficiency Simulator

Color Discrimination Test

People with color vision deficiencies may have difficulty distinguishing some of these colors.

Upload an image to see how it appears to colorblind users

Examples

Example 1
Test website colors for colorblind users
Click "Example 1" above to load
Example 2
Check data visualization color choices
Click "Example 2" above to load
Example 3
Ensure game UI is accessible to all players
Click "Example 3" above to load

Frequently Asked Questions

Q: What types of color blindness are simulated?

A: Protanopia, deuteranopia, tritanopia, and monochromacy.

Q: Can I test images and websites?

A: Yes, upload images or enter URLs to see how they appear.

Q: Does it provide improvement suggestions?

A: Yes, get tips for making designs more colorblind-friendly.

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Privacy & Security

This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.