Color Blindness Simulator

Upload an image or choose colors to simulate how they appear with color blindness. Free, works in browser, no registration required.

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About Color Blindness

Types of Color Blindness

  • Protanopia/Protanomaly: Difficulty distinguishing red colors.
  • Deuteranopia/Deuteranomaly: Difficulty distinguishing green colors.
  • Tritanopia/Tritanomaly: Difficulty distinguishing blue colors.
  • Achromatopsia/Achromatomaly: Complete or partial inability to see color.

Design Considerations

  • Don't rely solely on color to convey information.
  • Use high contrast between text and background.
  • Include text labels or icons along with color coding.
  • Test your designs with color blindness simulators.

How to use Color Blindness Simulator

  1. Upload your image or input your color values.
  2. Select the type of color blindness you want to simulate.
  3. View the simulated result instantly on your screen.
  4. Download the adjusted image or share your findings.

Features

  • Simulates multiple types of color blindness (Protanopia, Deuteranopia, Tritanopia).
  • Works with uploaded images, hex codes, and RGB values.
  • Provides real-time visual feedback for immediate analysis.
  • Accessible directly in your web browser with no software to install.

Who Is This Tool For?

Essential for designers, developers, and content creators who need to ensure their visual materials are accessible and clear to all users.

Why Test for Color Blindness Accessibility?

Testing color perception is crucial for creating inclusive digital experiences, ensuring websites, apps, and graphics are usable by the estimated 300 million people worldwide with color vision deficiency. This tool helps you meet WCAG accessibility guidelines and improve overall user experience.

Frequently Asked Questions

Is this color blindness simulator free?

Are my uploaded images or color choices stored online?

What types of color blindness can I simulate?

Can I use this tool without uploading an image?

How accurate is the simulation?

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