# ColorRatio

> Calculate color contrast ratio for any foreground/background pair

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

## Overview

- **ID:** `colorratio`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** gatkok
- **Daily users:** 20
- **Version:** 1.3.0
- **Last updated:** 2026-03-24
- **First published:** 2026-03-21
- **Size:** 13 KB
- **Data as of:** 2026-04-22
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/colorratio/)

## 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

- [Contrast](https://chrome-stats.com/d/contrasts) — 1 users
- [Contrast Extension](https://chrome-stats.com/d/contrast-extension) — 6 users
- [Color & Contrast Picker](https://chrome-stats.com/d/color-contrast-picker)
- [Contrast Checker](https://chrome-stats.com/d/contrast_checker_add_on) — 26 users
- [Contrast Check](https://chrome-stats.com/d/contrast-check) — 3 users
- [Contrast Checker Popup](https://chrome-stats.com/d/contrast-checker-popup)
- [Colour Contrast Checker](https://chrome-stats.com/d/colour-contrast-checker) — 10 users
- [ContrastCheck](https://chrome-stats.com/d/contrastcheck) — 21 users
- [Color Contrast Checker v7](https://chrome-stats.com/d/color-contrast-checker-v7) — 4 users
- [Color ContrasChecker](https://chrome-stats.com/d/color-contraschecker) — 1 users
- [Color Contrast Checker](https://chrome-stats.com/d/color-contrast-checkerr) — 19 users
- [WCAG Contrast](https://chrome-stats.com/d/wcag-contrast) — 27 users

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