This add-on let you choose the color of visited link.
Could be useful for color-blind people for example.
This add-on color every visited link on every website

Install

• License: Mozilla Public License 2.0
• Weekly downloads: 14
• Average daily users: 413
• Rating: 3.3846/5 of 13 ratings
• Created: 2018-11-07 17:55:04
• Last updated: 2019-02-05 14:05:07
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/visited-color-picker/
• API: william@billaud.me