Bay IS a color. It's a sort of reddish-brown color over most of the body.
Bay
I pretty sure that bay is just a horse color not a breed.
They are traditionally bay, grey, chestnut, or black.
The answer for Howrse is Chestnut and Bay
Arab horses can be bay, grey, or chestnut
Bay (brown body with black mane and tail) is the most common color in horses.
the answer is Bay and chestnut for howrse and for reality
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.
No. Bay horses are bay for life.
The main color of Thoroughbred horses is bay/dark bay and brown. Chestnut makes up approximately 20-25% of the overall population.
You see so many bay horses because the bay color gene is dominant. In most cases it can over-ride black and it varieties and even grey and its varieties. When breeding a chestnut with a bay it's about 50-50 whether you will get chestnut or bay.
"Calico" in horses is called Pinto . This is a mix of white and typically one other color, though if the horse is a bay or another color that has black points it's referred to as a tricolor pinto.