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Color Blindness Simulator – Test & Improve Accessibility
Use our free color blindness simulator to test color blindness, simulate color blind vision, and improve accessible design. Upload images, use live webcam, or check color palettes for accessibility. Fast, easy, and privacy-friendly.
How the Simulator Works
- Upload an Image: Use the Color Blindness Simulator to upload any image or paste an image URL. Instantly see how your design appears to people with different types of color blindness.
- Try Live Webcam Mode: Experience real-time simulation by enabling your webcam. See the world through the eyes of someone with color blindness.
- Check Color Palettes: Use our accessible design tools to test your color palettes for accessibility. Get instant feedback and suggestions for color-blind safe alternatives.
- Color Blind Website Checker: Check your website for color blindness with a live screenshot and simulation of color vision deficiencies.
- Color Blindness Test: Take a free online color vision test using Ishihara plates and more.
Features
Everything you need to create accessible designs
Image Simulation
Upload images or paste URLs to see how they appear with different types of color blindness.
Palette Checker
Test your color palettes for accessibility and get suggestions for color-blind safe alternatives.
Real-time Webcam
Experience color blindness simulation in real-time using your webcam.
Website Checker
Check your website for color blindness with a live screenshot and simulation of color vision deficiencies.
Color Blind Test
Take a free online color vision test using Ishihara plates and more.
Works on All Devices
Compatible with modern browsers on desktop, mobile, and tablets. No installation required.
Why Accessible Design Matters
Over 300 million people worldwide are affected by color blindness. Inclusive UI and accessible design ensure that everyone can use your website or app, regardless of their vision. By using a color blindness simulator, you can create experiences that work for all users and meet accessibility standards.
Accessible design tools help you build products that are usable, compliant, and welcoming to everyone.
Who Is This Tool For?
Designers
Preview your UI and graphics for color blind accessibility.
Developers
Test color blindness and ensure your code meets accessibility guidelines.
Educators
Demonstrate color blindness to students and raise awareness.
Accessibility Testers
Audit products for color blind users and suggest improvements.
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FAQ
What is a color blindness simulator?
A color blindness simulator is a tool that lets you test color blindness by simulating how images, designs, or websites appear to people with different types of color vision deficiency. It helps you create accessible designs for everyone.
Can I simulate real-time color blindness?
Yes! With our live webcam mode, you can simulate color blind vision in real time using your device's camera. This feature is free and works in your browser.
Is this tool free to use?
Yes, ColorblindSimulator.app is completely free to use. There are no signups, no ads, and no hidden costs. Start testing your designs for accessibility today!