Bay

A bay horse has a brown body with black mane, tail and lower legs.

Bay: A bay horse has a brown body with black mane, tail and lower legs.

What does this colour look like?

A brown body (light to dark) with black points: mane, tail, ear rims and lower legs are black.

Body
brown, light to dark
Mane and tail
black
Legs
black lower legs
Skin
dark
Eyes
brown

How does this colour arise?

Bay has black, but that black is pushed to the edges (the points). The body stays brown.

More about the genetics

Bay has at least one working E allele (Extension) plus at least one dominant A allele (Agouti). Agouti restricts the black to the points; the body shows the underlying red-brown.

What is this colour often confused with?

  • Seal brown

    Almost black, but with brown shading on the muzzle, flanks and above the eyes.

  • Black

    An evenly black horse, from nose to tail, without brown or red zones.

  • Liver chestnut

    A very dark, chocolate-brown chestnut.

  • Bay dun

    Dun on a bay base: a yellowish-brown body, black points and a dorsal stripe.

Which breeds show this colour?

Discover more

Sources: UC Davis Veterinary Genetics Laboratory · Sponenberg, D.P. & Bellone, R.R. (Wiley-Blackwell).