Gray is a modifier of coat color in horses. Gray horses are born colored (bay, black, chestnut, etc) and lighten in color as they age. There are different stages of grey. A single horse may go through all stages of grey or only one or two. Most grey horses end up nearly white.
- Light gray
- This usually appears to be white.
- Flea-bitten
- White coat flecked with brown, red or black specks.
- Iron
- Dark gray coat with no or minimal dappling.
- Dappled
- Light grey base coat with dark grey rings.