SignalTint

See the world through different eyes. Simulate 8 types of color vision deficiency, analyze palettes for accessibility issues, and get real-time fix suggestions.

Preview Original
Drop an image or use the upload button below
Ishihara
Landolt C
Rainbow
Scene
Confetti
Heatmap
Palette Analyzer

Accessibility Report

Upload an image or load a test image to analyze its palette.
Palette Size8
Vision Type
Protanopia: Red light is invisible to the eye. Reds appear dark. Affects ~1% of males.
1.0
% Affected
1.3
% Males
0.5
% Females
Severity100%
About Color Blindness

The human eye has 3 cone types for color vision. When one or more cone type malfunctions, color blindness occurs.

L-cones (red)
M-cones (green)
S-cones (blue)
Rods (night)