Seal brown (horse) - Wikipedia

Cream gene - Wikipedia

Seal Bay or Brown Horse Coat Color Modifier

Chestnut (horse color) - Wikipedia

Base color variation – Mealy and Seal Brown –

File:American quarter horse.jpg - Wikimedia Commons

Clipping completely changes horse's color! Black to dun/buckskin

The Breeding-back Blog: Wild horses: bay, wildtype bay, seal brown, brown?

Buckskin (horse) - Wikipedia

Base color variation – Mealy and Seal Brown –

Equine coat color - Wikipedia

Base color variation – Mealy and Seal Brown –

Bay (horse) : Miller, Frederic P., Vandome, Agnes F., McBrewster, John: : Libros