Dictionary/光彩こうさいKousai光彩 (Kousai) is a Japanese noun meaning “brilliance, splendour, splendor, lustre”.Meaningsnounbrilliance; splendour; splendor; lustre; lusterKanji in 光彩光ray彩coloringRelated words光light光るto shine光栄honour観光sightseeing光景scene鮮やかvivid栄光glory観光客tourist光輝brightness彩るto colour光線ray (of light)陽光sunshine