Hailed as one of the most popular extensions, ColorfulTabs helps you better enjoy the tab functionality of the Firefox browser. Highly customizable, it colors the tabs differently making them more distinguishable to the eye. For this, ColorfulTabs employs various schemes: you can use the default palette, generate colors at random/by domain hostname (via presets) or on demand.

Custom fading level is also available along with a specific tab background....Read more about ColorfulTabs