Basic genetics, DNA
Because it is the company's logo the color is to match the shirt's color! There is a difference between brown horses and blue horses, but I do not know why.
The color of the first wild horses is thought to have been dun.
That all depends on genetics and what genes the 2 horses have. Cannot give you an exact answer unless the horses are homozygous for the color gene they have. You can breed 2 horses of the same color and make a completely different color.
Champagne horses are born with the color coat of tan like buckskin's.
Palomino is not a breed but a color. Its a color gene that has been present in horses for as long as there have been horses.
chestnut
Black is a color and not a breed. Appaloosa horses can be black.
Tennessee Walking Horses can be nearly every color horses naturally are.
it depends on the chromosonses it gets from its parents.
Horses get their food in the same way, no matter their color or breed. Wild horses graze and domestic horses graze and wait at the feed trough. Color is irrelevant to horses and their stomachs.
pink
Palomino horses are golden with a flaxen mane and tail