Search Results for tag "color"

Bookmarks Title Styles

Customize Bookmarks Title Colors and Text Styles

Rated 4 out of 5 stars (1)
106 users
Updated November 28, 2015

ColorfulTabs Featured

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

Rated 4 out of 5 stars (995)
245,676 users
Updated November 15, 2015

Column Reader No Restart

Web reader for wide screens and long documents. Read with pleasure in one of many attractive layouts. NEW: Integrated image viewer with pan and zoom. NEW: Choice of replacement font. NEW: Support for multi-process Firefox. For Firefox 35.0 and newer.

Rated 5 out of 5 stars (10)
1,068 users
Updated October 16, 2015


Add or switch or preview persona/light themes without restarting Firefox, using toolbar button icon or right-click context menus.

Rated 5 out of 5 stars (1)
326 users
Updated October 13, 2015

DarkenBackground No Restart

replace white or very bright background on webpages with slightly darker colors

Rated 5 out of 5 stars (3)
675 users
Updated October 9, 2015

NewScrollbars (aka NoiaScrollbars)

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

Rated 5 out of 5 stars (98)
16,430 users
Updated September 29, 2015


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

Rated 5 out of 5 stars (306)
339,959 users
Updated September 3, 2015

Enlight No Restart

Syntax highlight for raw source code.

Rated 5 out of 5 stars (3)
207 users
Updated September 2, 2015

Context Highlight

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 (32)
7,256 users
Updated June 23, 2015

ImgViewerPlus No Restart

ImgViewerPlus(Image Viewer Plus) adds zoom, rotate, flip and light switch capabilities with smooth animations to Firefox image viewer. It also makes background and light colors customizable.

Rated 4 out of 5 stars (16)
915 users
Updated May 19, 2015

Color Transform No Restart

Adapt page colors to your taste or need. Save your favorite color scheme for automatic coloration. Comes with 18 predefined themes and 24 basic transforms for hue, saturation, lightness and opacity. For Firefox 24.0 and newer.

Rated 3 out of 5 stars (11)
3,101 users
Updated April 20, 2015

Black background and white text No Restart

Makes black background and white text on every page

Rated 5 out of 5 stars (34)
7,570 users
Updated April 14, 2015

No Color

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

Rated 4 out of 5 stars (44)
2,292 users
Updated April 10, 2015

colorPicker No Restart

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 5 out of 5 stars (33)
81,758 users
Updated December 11, 2014

Color That Site!

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 (66)
7,512 users
Updated November 3, 2014

Colorific. No Restart

Colorize entire web pages manually or automatically. With 28 customizable themes that transform hue, saturation, lightness and opacity. For Firefox 28.0 and above. NEW: Copy themes and group color properties using drag-and-drop.

Rated 3 out of 5 stars (6)
1,823 users
Updated August 19, 2014

Colorify Firefox

Click on any of the Colorify toolbar buttons to change the overall color of the page.

Rated 2 out of 5 stars (1)
62 users
Updated July 28, 2014

DevTools Tweaks

DevTools Tweaks extends the features of the built-in Firefox Devtools.

Adds New Rule, color-picker and Open URL to the inspector. Adds JSON parser to network view in Web Console, and adds hidden options to the options panel.

Rated 4 out of 5 stars (1)
102 users
Updated May 1, 2014

Advanced Frame Designer

A tool to design frames directly in the web page. The integrated color picker supports also harmonic colors. Operating notes see the tooltips.

Rated 5 out of 5 stars (2)
2,374 users
Updated April 20, 2014

WCAG Contrast checker

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 4 out of 5 stars (9)
5,931 users
Updated March 19, 2014