ColorZilla

Advanced Eyedropper, ColorPicker and other colorful goodies for Mozilla Firefox. Read more about ColorZilla
ColorZilla ColorZilla Video
How to Grab Any Color Code in ColorZilla (Chrome Extension) Video
If you see a color you really like, on any page, including the colors of an image, a photography — anything, then you can use ColorZilla, a really awesome Chrome Extension that makes it possible to grab color codes in several formats: hex, rgba& hsl. Link to the ColorZilla extension: https://chrome.google.com/webstore/detail/colorzilla/bhlhnicpbhignbdhedgjhgdocnmhomnp?hl=en