Different colors of hair highlights. Weekly easy to follow video hair color tutorials and in depth articles on hair colors hairstyles and more. A hair blog about hair coloring at home from the hair color experts at madison reed. To cover gray or white hair to change to a color regarded as more fashionable or desirable or to restore the original hair color after it has been discolored by hairdressing processes or sun bleaching. Hair coloring or hair dyeing is the practice of changing the hair colorthe main reasons for this are cosmetic.