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 (1,151)
15,952 weekly downloads

ColorZilla Compatible with Firefox 57+

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

Rated 4 out of 5 stars (400)
7,835 weekly downloads

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 (351)
7,584 weekly downloads

Dark Mode (WebExtension) Compatible with Firefox 57+

A global dark theme for the web

Rated 4 out of 5 stars (129)
5,017 weekly downloads

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 (1,188)
4,909 weekly downloads

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 (24)
1,709 weekly downloads

VivaldiFox Compatible with Firefox 57+

An add-on that allows colouring Firefox in a Vivaldi style fashion.

Rated 5 out of 5 stars (129)
1,065 weekly downloads

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 (55)
740 weekly downloads

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 (44)
457 weekly downloads

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)
339 weekly downloads

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 (2)
245 weekly downloads

Tab Colors Compatible with Firefox 57+

Selects a random color for each tab and displays the color while the tab is active. You can customize the colors to your liking and also set specific colors for websites.

Rated 4 out of 5 stars (4)
219 weekly downloads

Firelux Compatible with Firefox 57+

Reduces the color temperature of the browser by adding a filter on web pages.

Rated 4 out of 5 stars (9)
184 weekly downloads

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 (66)
175 weekly downloads

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)
135 weekly downloads

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 4 out of 5 stars (13)
101 weekly downloads

No Color Compatible with Firefox 57+

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

Rated 4 out of 5 stars (52)
100 weekly downloads

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 4 out of 5 stars (12)
92 weekly downloads

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 (85)
69 weekly downloads

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)
63 weekly downloads