My Favorite Add-ons

by BrowningsLady

1 Add-on in this Collection

Rainbow Color Tools by Heather Arthur

Rated 5 out of 5 stars 98 reviews

10,742 users

This addon is no longer being updated and won't work with new versions of Firefox.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.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections