Color Blindness Simulator
Color Blindness Simulator
Simulate how individuals with various Color Vision Deficiencies (CVD) perceive your colors and graphics.
WCAG Contrast & Accessibility Studio
Evaluate WCAG 2.1 compliance ratios and Color Vision Deficiencies
AAA ≥ 7.0AA ≥ 4.5Large ≥ 3.0
Normal Text (16px)AAA Pass
The quick brown fox jumps
High-contrast accessibility preview testing readability in real-time.
Calculated Ratio4.52 : 1
Normal (AA)Pass
Large (AA)Pass
Normal (AAA)Fail
Test Against:
Color Vision Deficiency (CVD) SimulationHow color-blind users perceive your palette
Affects ~6% of men. Red and green hues appear brownish-yellow.
Affects ~2% of men. Red cones are absent; reds appear darker.
Affects ~0.1% of people. Blues look greenish and yellows look violet.
Complete absence of color perception. Strictly monochromatic.