Colour
Solid colours
Black; red; golden; liver (chocolate); black and tan; liver and tan. No white allowed except a small amount on chest.
Particolours
Bicolours: Black and white; orange and white; liver and white; lemon and white. All with or without ticking.
Tricolours: Black, white and tan; liver, white and tan.
Roans: Blue roan; orange roan; lemon roan; liver roan; blue roan and tan; liver roan and tan.
Any colour or marking other than the above is undesirable.