Loreal Technique Hi Color #BlackOnyx 1.74 0zExcellence HiColor Violet and Black shades are new additions to the HiColor shade range featuring 3 Violet shades and 3 Black shades that deliver true to tone color results on dark bases of hair. The collection represents a new and unique shade pallet for HiColor and LOreal Technique and will appeal to new HiColor users seeking Violet, Blue, Plum hair color tones to add totheir hair.HiColor is a Permanent hair color brand by LOreal Technique that is specifically formulated for dark bases of hair. All of the shades in the line provide multi-level lift on dark hair in one step with no brassiness. The shades are mixed in a 1:1.2 ratio with Oreor Crme Developer 30 volume. Processing time is 30 minutes at room temperature.