Colors

There are many breeds of Guinea pig which have been developed since its domestication ca. 5000 BC.
Cavies come in many colors, but only three different colors can appear on each cavy, one from the black series, one from the red series, and/or white. The black series includes black, chocolate, lilac, and beige. The red series includes red, orange, buff, cream, and white. A few of the array of guinea's which fall under the color category are: Agouti, Golden Agouti, Silver Agouti, Self, Broken, Tortoiseshell, Brindle, Magpie, Dutch, Roan, and Himalayan.

http://en.wikipedia.org/wiki/List_of_guinea_pig_breeds