Color Blindness Simulator

See how colors appear to people with different types of color blindness

Vision Type

Normal color vision allows perception of all colors in the visible spectrum.

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Normal Vision

Protanopia (Red-blind)

Color Test Swatches

Test Color Accessibility

Check if your color combinations are accessible for colorblind users using our contrast checker.

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Frequently Asked Questions

What is color blindness?

Color blindness is a visual deficiency that affects the ability to distinguish certain colors. The most common types are protanopia (red-blind), deuteranopia (green-blind), and tritanopia (blue-blind).

How common is color blindness?

Approximately 8% of men and 0.5% of women of Northern European descent have some form of color vision deficiency. Deuteranopia (green-blind) is the most common type.

How can I make my design accessible?

Use high contrast colors, don't rely on color alone to convey information, use patterns or icons alongside colors, and test your designs with our Color Blindness Simulator and Contrast Checker tools.

What are the different types of color blindness?

The main types are Protanopia (red-blind), Deuteranopia (green-blind), Tritanopia (blue-blind), and Monochromacy (total color blindness). Each affects color perception differently.