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Color Blind & Low Vision Simulator

colorblind.fyi
5.0(

1 rating

)
ExtensionAccessibility261 users
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Overview

This vision simulator allows users to observe how people with colorblindness or low vision may perceive web-based content.

The Color Blind & Low Vision Simulator is an accessibility tool that allows users to test and observe how people with colorblindness or low vision may perceive web-based content. Note: The simulator is active only on the tab in focus. If you don't see a change, refresh the page you want to test. Features: • Light and Dark modes • 9 color vision options • 7 Low vision options Types of color vision: • Trichromacy (Normal vision) • Protanopia (Red-blind) • Protanomaly (Red-weak) • Deuteranopia (Green-blind) • Deuteranomaly (Green-weak) • Tritanopia (Blue-blind) • Tritanomaly (Blue-weak) • Achromatopsia (Complete color blindness) • Achromatomaly (Partial color blindness) Types of low vision: • Mild Blur (Slight vision impairment) • Moderate Blur (Moderate vision impairment) • Severe Blur (Severe vision impairment) • Low Contrast (Reduced contrast sensitivity) • Cataracts (Cloudy/yellowed vision) • Tunnel Vision (Loss of peripheral vision) • Central Vision Loss (Loss of central vision acuity) ---------------------------------------- 2.0.0 Update: • You can now create combinations by selecting one color vision filter and one low vision filter • Added badges to show which filters are active • Added a "Reset" button that clears the active filters • Header is now sticky so that the badges are always visible

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Details

  • Version
    2.0.0
  • Updated
    March 1, 2026
  • Size
    29.58KiB
  • Languages
    English (United States)
  • Developer
    Website
    Email
    xirclebox@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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