Color Blind & Low Vision Simulator icon

Color Blind & Low Vision Simulator

by xirclebox

v2.0.0 Updated Mar 1, 2026 29.58KiB
CWS
176
Users
★ 5.00
1 reviews
#7812
of 36.6K
accessibility
#300 of 954
Recently updated

Description

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
Color Blind & Low Vision Simulator screenshot 1Color Blind & Low Vision Simulator screenshot 2Color Blind & Low Vision Simulator screenshot 3Color Blind & Low Vision Simulator screenshot 4Color Blind & Low Vision Simulator screenshot 5

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Permissions (2)

Permissions

activeTab Can access the current tab when you click the extension storage Can store data locally in your browser

Details

Version 2.0.0
Updated Mar 1, 2026
Size 29.58KiB
First Seen Mar 22, 2026