Red dun

Dun on a chestnut base: a peach-coloured body with a red-brown dorsal stripe.

What does this colour look like?

A light red-yellow to peach body with a red-brown (not black) dorsal stripe and primitive markings. Mane and tail often reddish or light.

A chestnut with the dun gene. All markings are red instead of black.

More about the genetics

Red dun = chestnut (e/e) + D. Because there is no black, the dorsal stripe and leg markings are red-brown.

Dun
You recognise a dun by the dorsal stripe along the back and the primitive markings.
Palomino
You recognise a palomino by its golden coat with light, almost white mane and tail.
Bay dun
Dun on a bay base: a yellowish-brown body, black points and a dorsal stripe.