What colors do Australian Shepherds come in?

Australian Shepherds come in four main coat colors black, blue merle, red, and red merle. In addition, there are four different types of markings and variations for black-colored Aussies (black tri-colored, black and white bi-colored, full black, and black-and-tan. Red Aussies can be tri-colored, red and white, or solid red. There are four types of blue merle Aussies, blue merle tri-color, blue merle and white, blue merle and tan, and solid blue merle.