Simulate Troubles of Color Perception in your browser (protanopia, deuteranopia, tritanopia, achromatopsia, blur vision)
Users
147
+7 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
0 in 30 days
Store rank
#72K
#60K among extensions
Version
2.0.3
updated 3 Nov 2025
Users
monthly, 1 years
Latest, 15 Oct 2026:147 usersMove the mouse over the chart for any month
Ratings count
monthly, 1 years
Latest, 15 Oct 2026:4 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Color Perception Simulator
Color Perception Simulator helps you understand how people with color vision deficiencies see the web. Whether you're a developer, designer, teacher or accessibility advocate, this extension gives you instant insight into color blindness issues.
Simulate common types of color vision deficiency such as:
- Protanopia (reduced red sensitivity)
- Deuteranopia (reduced green sensitivity)
- Tritanopia (reduced blue sensitivity)
- Achromatopsia (no color perception, grayscale vision)
With one click, apply filters directly on any web page using scientifically-based transformation matrices. Great for inclusive design testing or educational purposes.
✅ Works on any website
✅ One-click simulation
✅ No data collected, no external requests
✅ Lightweight and accessible
Inspired by accessibility best practices and built with care for inclusive design.
More informations, take a read at : https://www.inf.ufrgs.br/~oliveira/pubs_files/CVD_Simulation/CVD_Simulation.html and https://developer.chrome.com/docs/chromium/cvd?hl=fr
License:
- This extension is distributed under a Custom Non-Commercial License authored by Aude Lellouche.
- Non-commercial use only
- Attribution required
- Not intended for medical use
- No warranties provided
- Contributions accepted under same license
Full license text available in the extension package and at: https://github.com/AudeizReading/color-perception-simulator-chrome-ext/blob/main/LICENSE.txt