Horse Colors

Appaloosa :

color pattern with small spots over the hips or the entire body. may be either white spots on a dark body, dark spots on a white body, or a mixture of both.

Bay:

a red, brown, or yellowish horse with black mane and tail, and usually black limbs.

Red Roan:

red with a mixture of white hairs.

Black:

black color throughout the coat, limbs, mane and tail. no pattern present other than white markings

Blue Roan:

black or black-brown with a mixture of white hairs.

Brown

mixture of black and brown in the coat, limbs, mane and tailmixture of black and brown in the coat, limbs, mane and tail

Buckskin:

light tan or brown color.

Chestnut:

varying shades of a yellowish tan color.

Dun:

sandy yellow, redish, or brown usually with darker legs and often a dark stripe down the back, dark mane and tail

Grey : 

black and white hairs with black skin. coat grows lighter with age.

Palomino:

gold-yellow or dark cream color with light colored mane and tail

Pinto:

large patches of black, brown, chestnut, or any other color, and white.

Strawberry or Chestnut Roan:

chestnut with a mixture of white hairs.

White:

white hair with a pink skin

Ref: http://www.aboutyourhorse.com/parts-horse-and-tack