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 (1,433)
183,716 users

ColorZilla Compatible with Firefox 57+

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

Rated 4 out of 5 stars (448)
169,680 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 (1,307)
78,989 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 (494)
48,872 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 (62)
41,366 users

Dark Mode (WebExtension) Compatible with Firefox 57+

A global dark theme for the web

Rated 4 out of 5 stars (265)
41,134 users

NewScrollbars (aka NoiaScrollbars) [Fx10-56] Requires Restart

The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
[ not compatible with Firefox / Thunderbird 57+ ]

Rated 5 out of 5 stars (103)
10,788 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This addon is no longer being updated and won't work with new versions of Firefox.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 (98)
8,950 users

Firepicker Requires Restart

Simple color picker plugin for Firebug.

Rated 5 out of 5 stars (56)
4,049 users

[Dark Theme] - Native Dark Compatible with Firefox 57+

Native Dark allows for customization to match your system accent colors.
Read the README file for advanced instructions.
https://github.com/spikespaz/firefox-nativedark/blob/legacy/README.md

Rated 5 out of 5 stars (59)
3,888 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 (61)
3,231 users

WCAG Contrast checker Compatible with Firefox 57+

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 (12)
2,461 users

VivaldiFox Compatible with Firefox 57+ Featured

A dynamic theme that allows colouring Firefox in a Vivaldi style fashion.

Rated 5 out of 5 stars (205)
2,426 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 (89)
2,330 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 (35)
1,945 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 (70)
1,875 users

No Color Compatible with Firefox 57+

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

Rated 4 out of 5 stars (66)
1,343 users

ImageTweak: zoom/rotate images and videos! Requires Restart

A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.

Rated 4 out of 5 stars (95)
1,310 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 (36)
1,279 users

CustomAppButton Requires Restart

Customise the App Button.

Rated 4 out of 5 stars (9)
1,127 users