AltraTools
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Color Blindness Simulator

See how colors appear to people with different types of color vision deficiency

Deuteranopia: Green-blind (missing M-cones)

Color Comparison

Original
As seen with Deuteranopia
#FF0000
#9FB300
#00FF00
#604D4D
#0000FF
#0000B3
#FFFF00
#FFFF4D
#FF00FF
#9FB3B3

Palette Side-by-Side

Original Palette
Deuteranopia Simulation

Quick Comparison (All Types)

OriginalProtanopiaDeuteranopiaTritanopiaAchromatopsia
#FF0000
#00FF00
#0000FF
#FFFF00
#FF00FF

Color Blindness Accessibility Tool

Test your color palette for accessibility by simulating how colors appear to people with different types of color blindness. Essential for creating inclusive designs that work for everyone.

Types of Color Blindness

  • Protanopia: Red-blindness, difficulty distinguishing red and green
  • Deuteranopia: Green-blindness, most common form
  • Tritanopia: Blue-blindness, affects blue-yellow perception
  • Achromatopsia: Complete color blindness, sees only grayscale

Why Accessibility Matters

About 8% of men and 0.5% of women have some form of color vision deficiency. Designing with accessibility in mind ensures your content reaches everyone.