# Hex Preview

> Allows you to preview a swatch of any hexadecimal color code in a little box, by highlighting it.

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

## Overview

- **ID:** `hexpreview`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Lucy Havok
- **Category:** web-development
- **Daily users:** 19
- **Weekly downloads:** 1
- **Rating:** 4.00 / 5 (1 ratings)
- **Version:** 1.2.2
- **Last updated:** 2024-07-16
- **First published:** 2024-04-07
- **Size:** 19 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/hexpreview/)

## Description

A lightweight browser extension that - upon selection of a valid hex code - displays a swatch of the color it represents. By default, it also displays the RGB values represented in decimal, and the Alpha value represented as a float between 0 and 1 (like CSS). Alpha value display format can be changed to its decimal representation in the add-on's options.

Supported formats:
#RRGGBB
#RRGGBBAA
#RGB
#RGBA
RRGGBB
RRGGBBAA
RGB
RGBA

## Rankings

- #25,303 — Overall
- #29 — preview
- #80 — review

## Permissions and access

### Permissions

- `activeTab`
- `storage`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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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Source: [Chrome-Stats](https://chrome-stats.com/d/hexpreview)