Color Blindness Simulator

Preview and audit your color choices for accessibility and inclusive design across all major vision deficiencies

Original vs Simulated

Original Color
#ff6b6b
Protanopia

All Color Blindness Types

Protanopia
1% of males
Red-blind (missing L-cones)
Deuteranopia
1% of males
Green-blind (missing M-cones)
Tritanopia
0.003% of population
Blue-blind (missing S-cones)
Protanomaly
1% of males
Red-weak (anomalous L-cones)
Deuteranomaly
5% of males
Green-weak (anomalous M-cones)
Tritanomaly
0.01% of population
Blue-weak (anomalous S-cones)
Achromatopsia
0.003% of population
Complete color blindness
Achromatomaly
0.001% of population
Partial color blindness

Text Readability Test

Original View

Sample Headline

This is sample text in the original color. Make sure this text is readable against the background.

Protanopia View

Sample Headline

This is sample text in the simulated color. Does it maintain good contrast?

Source Spectrum

#ff6b6b

Comparison Presets

About Color Blindness

Affects ~8% of men worldwide.

Red-green deficiency is most common.

What is Professional Color Blindness Simulator & Accessibility Auditor?

Design with empathy and inclusivity using our Professional Color Blindness Simulator. Approximately 8% of men and 0.5% of women worldwide experience some form of color vision deficiency (CVD). This utility allows you to instantly preview how your color choices appear to users with Protanopia, Deuteranopia, Tritanopia, and other rare conditions. Ensure your UI elements, data visualizations, and branding are accessible to everyone by identifying potential 'color-clashes' before they reach production.

Key Features & Benefits

8 Scientific CVD Profiles

Includes precise simulations for Protanopia, Deuteranopia, Tritanopia, and rare forms like Achromatopsia.

LMS Color Space Transformation

Utilizes industry-standard mathematical matrices to accurately mimic cone-cell response variations.

Integrated Readability Testing

Built-in typography preview allows you to audit contrast ratios for headers and body text simultaneously.

Global Prevalence Metrics

View documented statistical data for each deficiency type to prioritize your accessibility fixes.

How to Use the Professional Color Blindness Simulator & Accessibility Auditor

1

Induct Source Color

Select your primary test color using the high-fidelity picker or by inputting a specific HEX code.

2

Select Deficiency Profile

Click on any of the 8 major color blindness profiles to isolate the specific simulation.

3

Audit Comparative Results

Review the 'Original vs Simulated' panel for a direct side-by-side comparison of visual shifts.

4

Verify Text Legibility

Use the live readability test at the bottom of the page to check if your foreground text remains distinct for all users.

Practical Use Cases

UI/UX Accessibility (a11y)

Guarantee that critical interface states (success, error, warning) are distinguishable to all users.

Inclusive Data Visualization

Verify that charts and maps do not rely solely on color hues that will merge for CVD audiences.

Brand Identity Validation

Check if your brand's core palette remains distinctive and vibrant for those with varied vision.

Game Design Auditing

Preview game assets to ensure crucial feedback loops are visible without specialized colorblind modes.

FAQs

What is color blindness?

Color blindness (color vision deficiency) is the decreased ability to see color or differences between colors.

How does this simulator work?

The simulator uses mathematical algorithms to transform RGB color values based on how different types of color blindness affect cone cells.