- Blue Merle: This is the most common colour in Australian Shepherds. Blue merle dogs have a mottled gray or blue coat with darker blue or black patches.
- Red Merle: Red merle Australian Shepherds have a reddish-brown base coat with darker red or brown patches.
- Red Tri: Red tris have a reddish-brown base coat with white markings on the face, chest, and legs.
- Black Tri: Black tris have a black base coat with white markings on the face, chest, and legs.
In addition to these four main colours, Australian Shepherds can also be seen in the following colours:
- Solid Black: Solid black Australian Shepherds have a black coat with no other colours or markings.
- Solid Red: Solid red Australian Shepherds have a red or reddish-brown coat with no other colours or markings.
- Solid Blue: Solid blue Australian Shepherds have a blue or gray coat with no other colours or markings.
It's important to note that while these are the recognized colours for the Australian Shepherd breed, there may be variations in the patterns and shades seen within each colour.