The cross between a Grullo stallion, whose coat the Dun gene acts on the base color, adding the characteristic dark dorsal stripe. In some cases it lightens the body tone and may also produce zebra-like leg markings. Entirely black coat, with no dilutions and no Agouti gene action restricting black pigment to the points., and a Gray Smoky Cream mare with coat the (G) gene acts on the base coat promoting progressive lightening throughout the horse's life until reaching very pale or completely white tones. Very pale coat with yellowish highlights, resulting from double dilution of the cream gene over the black base., can produce 8 different coat colors: Gray Dun Smoky Black (22%), Dun Smoky Black (22%), Gray Smoky Black (22%), Smoky Black (22%), Gray Dun Palomino (3%), Dun Palomino (3%), Gray Palomino (3%) and Palomino (3%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.