# cool grey

> A really cool theme for firefox

Canonical page: [https://chrome-stats.com/d/black-is-cool](https://chrome-stats.com/d/black-is-cool)

## Overview

- **ID:** `black-is-cool`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed (abandoned)
- **Publisher:** Theme creator
- **Version:** 1.0
- **Last updated:** 2020-11-19
- **First published:** 2020-11-19
- **Size:** 8.18 KB
- **Data as of:** 2026-08-20
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/black-is-cool/)

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- 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).

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- [Grey](https://chrome-stats.com/d/grey-firefox-theme) — 41 users, 4.20 / 5

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