Create Custom Firefox themes with AnyColor
AnyColor is a Firefox extension that allows us to create custom themes for the browser free. It can easily modify almost all aspects of the interface such as buttons, title bar and so on, all through custom color schemes.
The good news is that using AnyColor can almost completely change the look of Firefox, and not even have to restart the browser to do so because the changes are so dynamic, so you can try a large number of schemes in a few seconds and See which you like best.
Knowing that Firefox is a browser that offers great possibilities for customization and there are several extensions that delve into this topic, AnyColor provides several options for compatibility with them.