brown hair color number 4 garnier hair color number 4 hair color number 4 loreal hair color number 4 matrix hair color number 4 number 4 hair color braids number 4 hair color weave Cool Hair Color Number 4 10 is black 50 is light brown 60 is dark blonde 70 is medium blonde and 10 is the lightest blonde. It shows how light or dark th…