Colorblindly
Education
Simulates colorblindness in your web browser.
Users
40K
Rating
3.5
Reviews
51
7D Growth
0|0%
Stable signalUnknownMedium-risk permissions
Spectrum
Instantly test your web page with different types of color vision deficiency.
Users10KCurrent public install base
Rating3.8Store average score
Reviews56Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsSpectrum Media preview
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7-day rating change
Start
3.77
Latest
3.77
7-day rating change
0.00
2026年7月15日2026年7月21日
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Version0.6.0
ManifestV3
Size21.26KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
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Color Vision Deficiency (CVD) affects people’s ability to distinguish certain colors. Estimates indicate that approximately 200 million people worldwide are affected by some kind of CVD. Individuals of Northern European ancestry, as many as 8 percent of men and 0.5 percent of women experience the common form of red-green color blindness.
This extension helps you to test web pages for people with different types of CVD. It's particularly useful for websites with data visualisations, because some colors may not be distinguishable from other colors in the charts.
Flash enabled websites are also supported!
Reviews
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Store average score3.8Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.6Average computed only from synced review bodies below
Reviews with text37Synced review bodies
Total ratings / reviews56Chrome Web Store public rating/review count
Store average score: 3.8. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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This used to work great, but as many others have commented, seems to have stopped working (Version 54.0.2840.99 m)
Great simulation, but lacks options and I'd like to be able to browse my site without having to re-enable it after every single page reload.
Doesn't work at all for me for some reason
This should only be one of many color accessibility tools that you use. It's nice to have as a design/development check, but it cannot replace more sophisticated methods. 2 critical issues that need to be fixed: • Color overlay causes clipping during scrolling on some sites • Needs an on/off switch as DOM is still affected during "Normal" mode
great idea, but the fact that it doesn't change background colors/images makes it pretty useless.
Had to disable it because it breaks some sites using javascript.
Simple and does exactly what it says! The checked mark resets every time i pull up the menu.
It's not working at all and I can't figure out why
this extension helps me when i want to show my friends what i truly see compared to what they see. It's extremely efficient!
Works great, BUT, causes conflicts with JIRA (by Atlassian). If this is fixed then it's a 5-star plugin.