if the grey hairs are taking over the white around the legs, neck and hindquarters, (aka bottom) they are most likely known as dappled grey.
A horse with a roan coat color has a mixture of white and colored hairs from birth that remain the same as it ages. Roan horses can have blue roan (dark coat with white hairs) or red roan (chestnut coat with white hairs) variations.
Roan is a coat color in horses that consists of a mix of white hairs intermingled with colored hairs. The colored hairs can be any base color, such as bay, chestnut, or black. The overall appearance of a roan horse is a blend of the base color and white hairs.
A black and white 'spotty' horse could be any number of colors. It could be an Appaloosa or Appaloosa marked horse, or it could be a pinto marked horse depending on how big the 'spots' are and what breed or cross it may be.
There is no such thing as a 'pink' horse. Some horses may look pink if they have enough white hairs mixed in with red ( chestnut/ sorrel) hairs. This is a red roan ( also sometimes called a strawberry roan or chestnut/ sorrel roan.)If a horse looks 100% truly pink it has likely been dyed that color.
Blue roan.
there is a song called white horse by Taylor swift.
It is to do with colour, the body of the horse has a mixture of coloured and white hairs. Lower legs, mane and tail are mostly solid colours.These colours do not fade or turn white as the horse ages
a black and white horse is called piebald
A roan horse has a coat color pattern characterized by an even mixture of white hairs with another color, usually red or bay. This gives the horse a speckled or dappled appearance. Roan is a common color in various horse breeds.
It stinks, it has hairs on it. And it has small white crystals called keif on it.
A greyish horse is called a grey horse nice and simple, so is a white horse ( called a grey that is ).
a white sock