Spectrum
Developer Tools
Instantly test your web page with different types of color vision deficiency.
Users
10K
Rating
3.8
Reviews
56
7D Growth
0|0%
Stable signalNo paid features detectedHigh-risk permissions
Colorblindly
Simulates colorblindness in your web browser.
Users40KCurrent public install base
Rating3.5Store average score
Reviews51Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
3 assetsColorblindly Media preview
Trend
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User Growth Over Time
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7-day rating change
Start
3.53
Latest
3.53
7-day rating change
0.00
2026年7月14日2026年7月20日
Growth overview
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1-day growthFlat
00%7-day growthFlat
00%30-day growthDeclining
-40K-50%Technical snapshot
Version, languages, and crawl freshness
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Version2.5
ManifestV3
Size85.17KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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Colorblindly is an extension that helps developers create websites for the people with colorblindness by allowing them to simulate the experience those users have on websites.
There are 8 different settings to experience:
-Blue Cone Monochromacy / Achromatomaly
-Monochromacy / Achromatopsia
-Green-Weak / Deuteranomaly
-Green-Blind / Deuteranopia
Reviews
Recent review snapshot
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Store average score3.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.4Average computed only from synced review bodies below
Reviews with text44Synced review bodies
Total ratings / reviews51Chrome Web Store public rating/review count
Store average score: 3.5. 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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Great tool. I use it to test things for work and have never personally had any issues with it.
My rating is based on my past experience but the Colorblindly extension has stopped working for me as well. This tool has been super useful prior to this, especially for illustrating to my design coworkers why they need to make changes sometimes. Hope the developers are able to resolve.
It's has stopped working.
Doesn't work
Doesn't work. I assume a recent update broke this. Pls fix ;)
Had used this plugin for a while and it's so useful. But it has broken recently.
The plugin functions intermittently since the latest update.
Doesnt work.
Doesn't do anything.
Great tool + very helpful for me as a dev to better help users when I can see things as they see them