Puntuado con 3 de 5 estrellas

I like Hash Tab, however, I can't find where to set the colour. There's only the option of choosing the intensity of the colour. Please provide some simple intructions. Thanks.

Esta valoración es de una versión anterior del complemento (0.4.23). 

Context (right) clicking on the tab whose icon you want to change should show a 'Set Icon Colour' item in the menu.