Ma'anar ƙamus na kalmar "chromophore" ƙungiya ce ta sinadarai ko ɓangarorin da ke ɗaukar haske na wasu tsayin raƙuman ruwa kuma suna ba da launi zuwa kwayoyin halitta. Ma’ana, wani sashe ne na kwayoyin halitta da ke tantance launinsa ko kuma iya jurewa ko kuma nuna wasu tsawon tsawon haske. Chromophores suna da alhakin launuka da muke gani a cikin abubuwa daban-daban kamar furanni, 'ya'yan itatuwa, da pigments. Ana yawan amfani da kalmar a cikin sunadarai, biochemistry, da ilmin halitta.