a system and method for formulation of a personalized permanent hair color product . the system and method are used to produce on - site at the salon or home , a permanent , semi permanent and / or stained hair color custom mixed to according to features and individual parameters for each person , based upon an assessment test completed by the individual or a professional , based upon the person &# 39 ; s “ map ” and characteristics . the person is then able to choose the quadrant of color , and receive a unique color based upon his or her own “ colormap ”. colormapping cannot only determine what colors work best with an individual &# 39 ; s features , but also how best to structure it .