Black (semi-glossy, leatherlike grain, found on older Jeeps)
Gray (sometimes referred to as "Charcoal," is a musky or smokey kind of color, found on Jeep Wranglers produced from 1988-1991)
Black Denim (a rougher, almost jean material like surface, found on Jeep Wranglers produced until 2002)
Spice (Very similar to "Tan," found on Jeep Wranglers from 1992-2002)