What is Color Blindness Simulator?
Color Blindness Simulator shows how your designs appear to people with different types of color vision deficiency. Test your website, images, or color palettes against protanopia, deuteranopia, tritanopia, and other conditions to ensure accessibility for all users.
Common Use Cases
UI Design
Verify that user interfaces remain usable and distinguishable for colorblind users.
Data Visualization
Ensure charts, graphs, and maps are readable with color vision deficiency.
Brand Colors
Test brand color palettes for accessibility across all vision types.
Educational Content
Check that educational materials use accessible color coding.
How to Use This Tool
- Upload an image or enter colors to test
- Select color blindness type (protanopia, deuteranopia, tritanopia, etc.)
- View side-by-side comparison of original and simulated views
- Identify problematic color combinations
- Adjust colors to improve accessibility
Frequently Asked Questions
How common is color blindness?
About 8% of men and 0.5% of women have some form of color vision deficiency, making it essential to design for accessibility.
What are the main types of color blindness?
Protanopia (red-blind), deuteranopia (green-blind), and tritanopia (blue-blind). Deuteranopia is most common.
How can I make designs colorblind-friendly?
Use high contrast, avoid relying solely on color, add patterns or labels, and test with simulators like this one.
Is this simulation accurate?
Simulations provide a close approximation based on scientific models, but individual experiences may vary.