# Env-based FF browser color

> Change the color of the browser windows based on the environment.

Canonical page: [https://chrome-stats.com/d/env-based-ff-browser-color](https://chrome-stats.com/d/env-based-ff-browser-color)

## Overview

- **ID:** `env-based-ff-browser-color`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Andrei de Oliveira Mosman
- **Category:** web-development,tabs
- **Version:** 0.1
- **Last updated:** 2023-07-19
- **First published:** 2023-07-18
- **Size:** 91 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/env-based-ff-browser-color/)

## Description

This extension changes the color of the browser's panel based on the host name.

Localhost: set to light green
- Development environment. Host names starting with `dev-`, or listed in the Development hostnames field, in the plugin settings. Color: another green
- QA environment. Host names starting with `qa-`, or listed in the QA host names field in the plugin settings. Color: blue.
- Production environment. Host names listed in the production host names field in the plugin settings. Color: red.

I wrote this for developers and QA personnel. The goal is to minimize mistakes when working in multiple environments.

## Rankings

- #146,333 — Overall

## Permissions and access

### Permissions

- `theme`
- `tabs`
- `activeTab`
- `storage`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate 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 has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Website color coding](https://chrome-stats.com/d/website-color-coding)
- [Env Border](https://chrome-stats.com/d/env-border) — 2 users
- [ProfileGreenColor](https://chrome-stats.com/d/profilegreencolor) — 1 users
- [Environment Marker](https://chrome-stats.com/d/environment-marker-extension) — 249 users, 5.00 / 5
- [Frame Color per Site](https://chrome-stats.com/d/frame-color-per-site) — 2 users
- [Dynamic Environment Detector](https://chrome-stats.com/d/dynamic-environment-detector)
- [firefox\_colors](https://chrome-stats.com/d/firefox_colors)
- [FoxColorBox](https://chrome-stats.com/d/foxcolorbox) — 80 users, 2.00 / 5
- [Themed-URLs](https://chrome-stats.com/d/themed-urls) — 1 users
- [Colors](https://chrome-stats.com/d/colors_by_gfarstur)
- [System Colors Developer Sidebar](https://chrome-stats.com/d/system-colors-dev-sidebar) — 2 users, 5.00 / 5
- [TabColorizer](https://chrome-stats.com/d/tabcolorizer) — 11 users, 3.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/env-based-ff-browser-color)