* Roan: Roan is a complex pattern, not a single color. Bay roan means the horse has a bay base color (black points) with white hairs mixed in, creating a roan appearance. The amount of white can vary greatly.
* Palomino: Palomino is a gold coat with a flaxen mane and tail. It's a dilute color, meaning it reduces the intensity of the base color (typically bay).
Here's a breakdown of the possibilities:
* Bay: If the palomino carries the bay gene, the colt could be a bay.
* Bay Roan: If the palomino carries the roan gene and the bay gene, the colt could be a bay roan, similar to the mother.
* Palomino: If the palomino carries the palomino gene, the colt could be a palomino.
* Buckskin: If the palomino carries the cream gene and the bay gene, the colt could be a buckskin (a dilute bay with a flaxen mane and tail).
* Dun: The palomino could carry the dun gene, leading to a dun-colored foal, which may have a darker back and a dorsal stripe.
In short, the color of the colt depends on the specific genes carried by each parent. You can't predict the exact color without knowing the genetic makeup of both the bay roan and the palomino.
It's always a fun surprise!