Cool Espresso | Who said blondes have all the fun? Since blonde hair is a lighter base, it once seemed as though blondes had more options when it came to hair colors. With techniques like balayage taking the front seat in hair color, though, brunettes can have just as much fun with color. Lately, ashy brunettes are front and center in hair trends. These cool brunette hair colors are edgier than your everyday warm honey highlights, and they look amazing.