Colour Blindness

Colour Blindness Simulator

See how your colours appear to people with different types of colour vision deficiency. Design accessible interfaces that work for everyone.

Settings

Mode

Test Colour

Severity: 100%

NormalPartialComplete

Vision Type

Deuteranomaly

~5% of males, ~0.4% of females

Abnormal green cone (M) photoreceptors. The most common type of colour blindness. Green colours appear weaker, with reduced sensitivity to green light.

Colour Comparison

Normal Vision

#9C7FD6

Deuteranomaly

#9C7FD6

All Vision Types

Protanopia

#9C7FD6

Protanomaly

#9C7FD6

Deuteranopia

#9C7FD6

Deuteranomaly

#9C7FD6

Tritanopia

#9C7FD6

Tritanomaly

#9C7FD6

Achromatopsia

#9C7FD6

Achromatomaly

#9C7FD6