Color Blindness Simulator

Analyze and optimize your color palette to ensure universal accessibility with scientifically precise simulations

Palette

Analyze

Optimize

Color Palette

5/20

#3498DB

#E74C3C

#2ECC71

#F39C12

#9B59B6

Supported File Formats

Import Color Palette

Drag & drop a palette file or click to browse

JSON

CSS

GPL (GIMP)

CSV

ASE (Adobe)

ACO (Adobe)

Supports design files from Figma, Adobe Creative Suite, GIMP and more

Color Blindness Simulation

Type

Protanopia Severity100%

0% (Normal)50% (Mild)100% (Complete)

Accessibility

100/100

No Issues

0 / 4 types

Compare

Analysis

Drag & drop your image here

or click to browse files

PNG, JPG, WebP (Max 10MB, Max 4000×4000px)

Help & Documentation

Quick Workflow:

Add Colors: Build your palette manually or import from files
Select Color Blindness Type: Choose the type and adjust severity (0-100%)
Analyze: Run analysis to check for issues
Review: Examine results and recommendations
Fix: Apply Smart Fix or manual adjustments

Music While You Work

Original soundtrack by Dendera Beats

Listen while testing accessibility

Open in Spotify

Color Blindness Simulator

Color Palette

Supported File Formats

Import Color Palette

Color Blindness Simulation

Analysis

Drag & drop your image here

Help & Documentation

Scientific Foundation

Getting Started

Key Concepts

Palette Management

Severity Settings

Why Do Some Types Look Similar?

View Options

WCAG Guidelines

Music While You Work