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Picture the possibilities

Horse Coat Color Calculator

Choose two horses. Discover the colors a foal could grow into.

Reviewed by Elliott Garber, DVMUpdated How it works and sources

No DNA test needed

Meet the parents

Choose each horse’s closest color.

Palomino horse

Stallion

Palomino horse

Mare

Your foal color mapPalomino × Palomino See their foals ↓
Add a DNA result or try a what-if

Untested genes stay unknown. A what-if explores a possibility; it is not a lab result.

Stallion DNA or what-if
Stallion
Mare DNA or what-if
Mare

These color and Frame results narrow the foal map. Use the detailed DNA form for linked white patterns, LP, Splash, or Brindle.

Add patterns and markingsMake each parent look more familiarStallion 0Mare 0Add details

Choose any that look familiar. More than one can fit the same horse.

Browse all colors & patterns (opens in a new tab without JavaScript)
StallionNo details addedAdd details

Coat patterns

Choose every look that fits.

Color detailsLook at the coat, skin, eyes, and breed.Choose any
White and spotted patternsChoose every pattern that looks like the horse. More than one can apply.Choose any
Hair and stripesLook for body stripes or a noticeably sparse mane and tail.Choose any

Everyday markings

Add face, leg, and body details to find the closest-looking pattern families.

Face whiteChoose the closest match, or leave this blank.Choose
Leg whiteChoose the closest match, or leave this blank.Choose
Body whiteChoose the shape that stands out most, or leave this blank.Choose
Extra detailsChoose any that stand out.Choose
MareNo details addedAdd details

Coat patterns

Choose every look that fits.

Color detailsLook at the coat, skin, eyes, and breed.Choose any
White and spotted patternsChoose every pattern that looks like the horse. More than one can apply.Choose any
Hair and stripesLook for body stripes or a noticeably sparse mane and tail.Choose any

Everyday markings

Add face, leg, and body details to find the closest-looking pattern families.

Face whiteChoose the closest match, or leave this blank.Choose
Leg whiteChoose the closest match, or leave this blank.Choose
Body whiteChoose the shape that stands out most, or leave this blank.Choose
Extra detailsChoose any that stand out.Choose
Add more coat details

Use this section when you know more than the color name. Add what you see for base color, Cream/Pearl, Dun, Silver, Gray, and Classic Roan.

Choose “None seen” when you do not see the feature. Choose “Not sure” when Gray or a very pale coat makes it hard to tell.

Stallion’s detailed appearance
Mare’s detailed appearance
Try a little color curiosity

Make a guess, then explore. These examples use clearly labeled assumptions.

Use my horses

Sign in to use your horses and their recorded genetics.

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Your foal color map

Their possible foals

Palomino stallion × Palomino mare Change parents

Exact chances for each foal, per conception. Based on: appearance.

  1. PalominoChestnut base · one CreamChance: 50%Exact chance
  2. ChestnutChestnut base · no expressed Cream/PearlChance: 25%Exact chance
  3. CremelloChestnut base · two CreamChance: 25%Exact chance

Mushroom is included when a parent looks Mushroom or has a Mushroom result or what-if. Two normal-looking carriers can still produce one.

Lethal White Overo is checked when a parent shows Frame or mixed white or has a Frame result or what-if. A horse with very little white can still carry Frame; test before breeding Paint-type horses.

1 health note for this pairing

Details for each color, what could change them, and how the ranges work
Palomino horse

Palomino

Chestnut base · one Cream

Chance: 50%

Exact chance for each foal, per conception.

Chestnut horse

Chestnut

Chestnut base · no expressed Cream/Pearl

Chance: 25%

Exact chance for each foal, per conception.

Cremello horse

Cremello

Chestnut base · two Cream

Chance: 25%

Exact chance for each foal, per conception.

What could change this answer?

Each branch is a what-if, with no assumed frequency. We do not average the possibilities.

How the chance ranges work

Palomino, Chestnut and Cremello stay possible no matter which hidden color genes the parents carry.

We checked every gene combination that fits the colors you chose (6,561 parent combinations). Appearance alone cannot tell us which hidden combination is more common, so we do not average them. A range shows the lowest and highest chance across those combinations, and colors are listed with the highest guaranteed chance first.

The color map covers base color, Cream/Pearl, Champagne, Mushroom when included, Dun, Silver, Gray, Classic Roan and Lethal White Overo. Other pattern chances are shown separately; they can overlap the colors.

Explore the look

See the colors and patterns in this pairing

Open a collection to explore this result alongside related reviewed colors and patterns.

Browse all colors & patterns (opens in a new tab without JavaScript)

A clearer answer from what you know

A horse’s appearance can match more than one genetic combination, so each possible foal color comes with the full chance range its appearance supports. Add DNA results whenever you have them to narrow those ranges and unlock exact odds.

What this calculator covers

This calculator uses the coat-color tests listed below. It covers Extension, Agouti, Cream and Pearl, Champagne, Dun, Silver, Gray, Mushroom, Frame Overo, linked KIT white patterns, Leopard Complex with PATN1, Splashed White, and Brindle1. Health notes summarize published research; ask your veterinarian what they mean for a particular horse.

Limits

  • Shade modifiers such as sooty, flaxen and dapples, face and leg markings, and the size of a white or leopard pattern are not predicted.
  • From coat colors alone, a chance is exact only when the colors decide it; otherwise you see the honest range. DNA results narrow it.
  • An educational tool, not a substitute for a laboratory report or veterinary advice.

Sources

How it works: the method, health notes and peer-reviewed references

Explore example pairings with named DNA panels and exact odds

Save this pairing

Your saved pairings are private. A shared link opens an independent copy with no horse names or photos.

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Gene guides

Agouti · Brindle 1 · Champagne · Cream · Dominant White · Dominant White W20 · Dun · Frame Overo · Gray · Leopard Complex · Mushroom · Non-Dun 1 · Pattern-1 (PATN1) · Pearl · Red Factor · Roan · Sabino 1 · Silver · Splashed White · Tobiano

Horse color genetics can be wonderfully surprising. Choose the colors you see or enter the DNA results you know, then explore the coats and patterns their foal could inherit, complete with useful health and inheritance notes.

Colors and patterns you can explore

Start with familiar coat colors or go deeper with the names used on common DNA test panels.

How to read your results

Start with the big picture, then open any color, pattern, or health note you want to explore.

Frequently asked questions

Which horse color genetics can I explore?

Start with the parents’ visible colors, or add DNA results for core coat colors, Champagne, Mushroom, selected KIT white-pattern families, Leopard Complex and PATN1, MITF and PAX3 Splashed White families, and sex-linked Brindle1.

When can Creatures show one set of foal odds?

When both reports contain all the information the calculator needs, Creatures can show one set of odds for the supported results you entered. If the reports do not show which linked variants were inherited together, it shows the possibilities separately and explains what remains unknown.

Why are combinations that cannot survive included in the odds?

The percentages shown always count every conception. For example, an O/O Frame Overo combination stays in the calculation, so Creatures never makes the chances for surviving foals look higher by quietly removing it.

What do the health notes mean?

Health notes highlight research connected to the colors and DNA results in the pairing. A veterinarian or testing laboratory can help you understand what a finding means for an individual horse.

Why can foals with the same color result look different?

Shade, marking boundaries, roaning, seasonal coats, and age can all change how a color appears. The calculator groups these horses under the same color family while showing the patterns and modifiers that may add variety.

What should I do when the report leaves more than one possibility?

Explore each possibility on its own. The testing laboratory may be able to show which linked variants sit together on the same chromosome, and you can update the calculator whenever you learn more.

Sources

Reviewed by Elliott Garber, DVM · Last reviewed