Gitcolor - Github Themer szerző: rcmt

Change the colors of contribution metrics in GitHub

Features:
Colorize contribution graph and legend
Colorize activity overview graph
Colorize activity listing progress bar

After installing the extension, follow these steps:

Click on the extension icon to open it.
Select one of the themes.
Finally, use the Big button that says "Save Theme" to apply.

If you have any questions, feel free to submit an issue at
https://github.com/rcmtcristian/github-color-changing-extention-firefox
or Email me at
rcmtcristian@proton.me