tri·chro·mat·ic 
(trī′krō-mătĭk) also tri·chrome (trīkrōm′) or tri·chro·mic (trī-krōmĭk)
(trī′krō-mătĭk) also tri·chrome (trīkrōm′) or tri·chro·mic (trī-krōmĭk)adj.
1. Of, relating to, or having three colors, as in photography or printing.
2. Having perception of the three primary colors, as in normal human vision: trichromatic vision; a trichromatic individual.
tri·chroma·cy (trī-krōmə-sē), tri·chroma·tism (-tĭz′əm) n.