The Collaborative International Dictionary
Pigmental
Pigmental \Pig*men"tal\, Pigmentary \Pig"men*ta*ry\, a.
Of or pertaining to pigments; furnished with pigments.
--Dunglison.
Pigmentary degeneration (Med.), a morbid condition in which an undue amount of pigment is deposited in the tissues.
Wiktionary
pigmental
a. Of or pertaining to pigment.