Search Results for tag "color"

Stylish - Custom themes for any website Compatible with Firefox 57+

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Rated 4 out of 5 stars (1,100)
401,144 users

Dark Background and Light Text Compatible with Firefox 57+

Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.

Rated 5 out of 5 stars (326)
38,565 users

Dark Mode (WebExtension) Compatible with Firefox 57+

A global dark theme for the web

Rated 4 out of 5 stars (111)
16,038 users

ColorZilla Compatible with Firefox 57+

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Rated 4 out of 5 stars (389)
183,072 users

ColorfulTabs Compatible with Firefox 57+

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

Rated 4 out of 5 stars (1,084)
151,635 users

colorPicker

A very simple extension for learning web page colors. Copy the RGB or Hex color code of any pixel displayed in your browser to the clipboard (in CSS/HTML format). Similar in function to Internet Explorer's color picker.

Rated 4 out of 5 stars (50)
80,201 users

TextMarker Go Compatible with Firefox 57+

Highlight the selected text.
1) Seven highlight colors
2) An arrow flag is added on the right side of the page
3) Hotkeys for highlight selected text and jump to highlighted text

Rated 4 out of 5 stars (39)
3,839 users

NewScrollbars (aka NoiaScrollbars) Requires Restart

The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

Rated 5 out of 5 stars (99)
14,817 users

Personas Rotator Compatible with Firefox 57+

Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?

Rated 4 out of 5 stars (64)
3,489 users

Color Transform

Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.

Rated 4 out of 5 stars (23)
1,257 users

Font Inspector (WebExtension) Compatible with Firefox 57+

Click on any element to get the font info in a page popup

Rated 1 out of 5 stars (1)
483 users

CaretTab - New Tab Clock and Date Compatible with Firefox 57+

A beautifully simplistic New Tab page that includes multiple clocks, date, search, quick links, and more! Fully customizable!

Rated 5 out of 5 stars (10)
66 users

No Color Compatible with Firefox 57+

Remove colors and background images from the page by one click.

Rated 4 out of 5 stars (51)
1,530 users

Rainbow Color Tools Requires Restart

This addon is no longer being updated and won't work with new versions of Firefox. See the Colorzilla addon for a replacement: https://addons.mozilla.org/en-US/firefox/addon/colorzilla/.

Color tools for web development.

Rated 5 out of 5 stars (97)
16,848 users

Color That Site! Requires Restart

Change the colors of web sites. With the move of some sliders, you change the foreground and background colors of a site.

Watch the video for a short introduction.

Rated 4 out of 5 stars (82)
4,058 users

Page Shadow Compatible with Firefox 57+

An extension for Chrome/Chromium, Firefox, Opera and Edge designed to render a web page more readable in a dark environment by decreasing page brightness or by increasing page contrast. This extension also have a night mode and others tools.

Rated 5 out of 5 stars (8)
277 users

Screen Dimmer Requires Restart

Darken any web page to reduce eye strain and increase comfort

Features:
- Change overlay color
- Increase, decrease or reset overlay with right mouse click or keyboard controls

Ctrl+Alt++ to darken
Ctrl+Alt+- to brighten
Ctrl+Alt+0 to reset

Rated 4 out of 5 stars (25)
1,150 users

WCAG Contrast checker Requires Restart

Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.

Rated 5 out of 5 stars (8)
3,556 users

ColorCode Compatible with Firefox 57+

The Cross-Browser Syntax Highlighter Extension!

Not yet rated
49 users

Context Highlight Requires Restart

Allows you to quickly and easily highlight all instances of a word or phrase within the current page. Simply select the text you want, right click and choose "highlight"...

Rated 4 out of 5 stars (34)
3,276 users