Question: what are rare english bulldog colors?
Answer: Chocolate and Tan. Chocolate and Tan/Trindle. ... 
Chocolate Tri/Trindle. Chocolate Tri/Trindle. ... 
Chocolate Seal. Chocolate Seal. ... 
Chocolate Merle Tri/Trindle. Chocolate Merle in any design. ... 
Chocolate Platinum. Chocolate Platinum. ... 
Chocolate Brindle. Chocolate and Fawn Stripes with white markings in any design. ... 
Chocolate Fawn/Sable.