What color would you call this calf?

[blackdiamond]

To explain:

Head has all three brown, black, and red.
Topline has grey sprinkled to appear "dirty". 

Sire is the black bull- Dr. Feelgood x Lutton.
Dam is a half sister, from my best cow, purebred. 

65 lb BW

 

[rackranch]

Calico  ???