Sign in
Back to Coat Color Visualizers

Horse Coat Color Visualizer

Toggle genes to see how they change the coat

Extension
/
Agouti
/
Cream
/
Dun
/
Silver
/
Gray
/
Roan
/
Frame Overo
/
Splash White
/
Chestnut
Gene Reference
Extension (E)

Controls whether black pigment can be produced.

  • E Allows black pigment production.
  • e Recessive red; e/e = chestnut/sorrel.
Agouti (A)

Restricts black pigment to points or allows it across body.

  • A Restricts black to points (bay).
  • a Non-agouti; uniform black (if E present).
Cream (Cr)

Dilutes base color; double dose creates cremello/perlino.

  • Cr One copy: palomino/buckskin. Two copies: cremello/perlino.
  • n No cream dilution.
Dun (D)

Adds primitive markings and dilutes body color.

  • D Dun with dorsal stripe, leg barring, shoulder cross.
  • nd Non-dun; no primitive markings.
Silver (Z)

Lightens black pigment only; no effect on red.

  • Z Silver black or silver bay. Associated with MCOA eye issues.
  • n No silver dilution.
Gray (G)

Progressive loss of pigment over time.

  • G Horse gradually turns gray/white with age.
  • n No graying.
Roan (Rn)

White hairs interspersed evenly throughout coat.

  • Rn Blue roan (black), bay roan, or red roan (chestnut).
  • n No roaning.
Frame Overo (O)

Creates horizontal white patches; homozygous is lethal.

  • O Frame pattern with blue eyes common. O/O = lethal white.
  • n No frame overo pattern.

O/O (homozygous) foals are born white and die within days (lethal white syndrome).

Splash White (Spl)

Creates white facial markings and high white legs.

  • Spl White face, blue eyes, and white legs. May cause deafness.
  • n No splash white pattern.