cian/o-
blue
cyanosis
erythr/o-
red
erythrocyte
leuk/o-
white
leukocyte
melan/o-
black or dark
melanin
xantho-
yellow
xanthoderma
chlor/o-, chloros-
green
chlorophyll
cirros-
orange yellow
chirrosis
lutein-
saffron yellow
poli/o-
gray
poliosis
xeno-
dry
xerosis
crypt/o-
hidden
cryporchidism