Search Results for tag "color"


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

Rated 5 out of 5 stars (306)
7,384 weekly downloads

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)
5,293 weekly downloads

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)
3,347 weekly downloads

Black background and white text No Restart

Makes black background and white text on every page

Rated 5 out of 5 stars (34)
1,815 weekly downloads

Rainbow Color Tools

Color tools for web development.

Color picker and eyedropper + saving colors and trying out colors with drag and drop.

Rated 5 out of 5 stars (94)
1,301 weekly downloads

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)
645 weekly downloads


Simple color picker plugin for Firebug.

Rated 5 out of 5 stars (55)
435 weekly downloads

Facebook Color Changer No Restart

Personalize your Facebook with the color of your choice.
You'll find a pink Facebook icon located on Firefox Add-On bar (at the bottom corner).
Then change the background color of Facebook in a single click!

Rated 3 out of 5 stars (43)
428 weekly downloads

DarkenBackground No Restart

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

Rated 5 out of 5 stars (3)
380 weekly downloads

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)
371 weekly downloads

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)
263 weekly downloads

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)
245 weekly downloads

ImageTweak: zoom/rotate images and videos!

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 (97)
237 weekly downloads


Stratiform is the ultimate user friendly customization add-on for Firefox. It puts the power in the average user's hands to customize the browser's look.

Rated 5 out of 5 stars (179)
191 weekly downloads


Make your tabs look fabulous!

Rated 4 out of 5 stars (161)
168 weekly downloads

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)
159 weekly downloads

TextMarker Go

Allows to highlight the selected text.
1) three customizable colors for highlight
2) highlight functions as bookmarks
3) hotkeys for highlight selected text, remove highlights, and jump to highlighted text.

Rated 4 out of 5 stars (38)
149 weekly downloads

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)
146 weekly downloads

Screen Dimmer

Darken any web page to reduce eye strain and increase comfort

- 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 (11)
144 weekly downloads

No Color

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

Rated 4 out of 5 stars (44)
84 weekly downloads