I'm not really a dog expert, but I would say varieties of both colors. Like one might be gray, the other black, another one black and gray. And it's depending on the breed too.
Gray with a white stomach
black to grey or light greenish grey
black or grey to a color blind
You'd get grey.
Grey, or black
Grey
grey
Grey to dark grey and white on lower bottom
dark grey or black.
Grey is a mixture of black and white.
dark grey or black.
No, grey is a combination of black and white.