# Colorblind Sim

> Simulate colour blindness on any page with CSS filters

Canonical page: [https://chrome-stats.com/d/colorblind-sim](https://chrome-stats.com/d/colorblind-sim)

## Overview

- **ID:** `colorblind-sim`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Patience
- **Daily users:** 26
- **Version:** 1.1
- **Last updated:** 2026-04-17
- **First published:** 2026-04-14
- **Size:** 14 KB
- **Data as of:** 2026-05-19
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/colorblind-sim/)

## Permissions and access

### Permissions

- `tabs`
- `activeTab`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension is not longer available in the store

## Similar extensions and apps

- [Color Blind Sim](https://chrome-stats.com/d/color-blind-sim) — 28 users
- [Color Blindness Vision Mode](https://chrome-stats.com/d/color-blindness-vision-mode) — 27 users
- [ColorBlindSim](https://chrome-stats.com/d/colorblindsim) — 30 users
- [Color Blindness Simulator1](https://chrome-stats.com/d/color-blindness-simulator1)
- [RGBlind](https://chrome-stats.com/d/rgblind) — 43 users, 2.83 / 5
- [Color Blind & Low Vision Simulator](https://chrome-stats.com/d/colorblindfyi) — 17 users
- [ColorBlind Accessibility Filter](https://chrome-stats.com/d/colorblind-filter) — 3 users
- [Colorblindness Filter Toggle](https://chrome-stats.com/d/colorblindness-filter-toggle) — 25 users
- [Let's get color blind automatically](https://chrome-stats.com/d/let-s-get-color-blind-auto) — 17 users
- [Let's get color blind](https://chrome-stats.com/d/let-s-get-color-blind) — 1,443 users, 4.71 / 5
- [Colour Vision Deficiency Assistant](https://chrome-stats.com/d/color-vision-deficiency-assist) — 1 users
- [Accessible View](https://chrome-stats.com/d/accessible-view) — 29 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/colorblind-sim)