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Color Blindness Simulator

See how a color appears to people with color vision deficiencies.

Original
Protanopia (red-blind)
Deuteranopia (green-blind)
Tritanopia (blue-blind)
Achromatopsia (monochrome)
Sample palette under each type
Type        
Original
#e53935
#43a047
#1e88e5
#fdd835
#fb8c00
#8e24aa
#00acc1
#6d4c41
Protanopia (red-blind)
#9b9936
#6b6c5d
#4c4dce
#eded5c
#cbca22
#605f8a
#4a4cbc
#5f5e44
Deuteranopia (green-blind)
#a5b136
#665f62
#463ec9
#eff266
#d1da2a
#666e82
#4134bb
#616344
Tritanopia (blue-blind)
#dc3737
#486e71
#23bdb9
#fb7c82
#f53d43
#89706a
#09b8b7
#6b4646
Achromatopsia (monochrome)
#6c6c6c
#7a7a7a
#737373
#d0d0d0
#9d9d9d
#535353
#7b7b7b
#555555

Simulate Color Blindness

About 1 in 12 men and 1 in 200 women have some form of color vision deficiency. This simulator shows how a color appears under the most common types, helping you design interfaces and graphics that everyone can read.

The common types

  • Protanopia — reduced red sensitivity
  • Deuteranopia — reduced green sensitivity
  • Tritanopia — reduced blue sensitivity
  • Achromatopsia — no color (monochrome)

Design takeaways

Never rely on color alone to convey meaning. Pair color with text, icons, or patterns, and ensure sufficient contrast so information survives any kind of color vision.

How it works

The simulation applies established color-transformation matrices to approximate how each deficiency shifts perceived color. These are close approximations, not medical-grade reproductions, but they are reliable for design decisions. Everything runs in your browser.

Frequently Asked Questions

Common questions about the Color Blindness Simulator.

Which types are simulated?
Protanopia, deuteranopia, tritanopia, and achromatopsia (monochrome).
How accurate is it?
It uses established transformation matrices to approximate each deficiency - reliable for design decisions.
Is it private?
Yes, everything runs in your browser.

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