Doberman Pinscher color and markings. Allowed Colors: Black, red, blue, and fawn. Markings: Rust, sharply defined, appearing above each eye and on muzzle, throat and forechest, on all legs and feet, and below tail. White patch on chest, not exceeding ½ square inch, permissible. Besides the more common color’s seen in the Doberman—Black & Rust and Red & Rust—there are the”DILUTES” of these two colors—Blue is a “dilute” of Black—Fawn is a “dilute” of Red.