Cool Hair Color Different Underneath 2023. Brown is a versatile underneath hair color. Peekaboo hair is all the rage right now in the hair color world.

Web 20 juicy underlayer hair color ideas you’ll want to try 1. Web another option is to use a dark hair color for the underneath layer, and then use a highlight color for the top layer. Peekaboo hair is all the rage right now in the hair color world.