The Morgan horse come in a vide variety of colors, although they are most commonly known to be black, bay or red/chestnuts. But they do come in gray, dun, silver dapples, cream dilutes (buckskin, palomino, cremello, perlino and smokey black) and the chrome colors splash, sabino and frame (those colors almost vent extinct after 34 years of the max white law)
In 1962 the American Morgan horse Association stated that horses with white over the knee and/or too much white on the face (and god forbidd white on the body) would not be registered pure bred Morgan horse.
This law was removed in 1996.
The base colors in all horses are Black, bay and red
The dun gene bleach all colors
The creame colors bleach only the red hair on a horse. But in dobbel dose the horse is born white whit blue eyes, cremello, perlino or smoky black.
The silverdapple bleach the black hair on a horse.
The gray gene makes the horse in every colors turn white over time
The frame genes gives you a pinto colored horse in every colors
The splash gene mostly gives a big blaze, blue eyes and high socks
The sooty makes all other colors darker or more shadowy, and the flaxen give a light mane and tail in some red horses.