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Coat Genetics | Overview

The Coat Genetics section provides a simple overview of the in-game breeding genes and the coat colors or patterns they represent within The Tackroom.
 

Please note that The Tackroom’s in-game genes do not always accurately reflect real-life horse genetics. To keep the system consistent and avoid confusion, this Breed Archive uses the in-game gene names and classifications when referring to coat colors, patterns and breed-appropriate genetics.
 

Here you can quickly look up which in-game gene belongs to which coat variation or pattern to help you choose the most breed-accurate horse for NEP breed standard competitions and events.
 

Within NEP breed standard classes, both Common and Uncommon coat colors are considered breed-appropriate and are eligible to receive full coat points. The distinction between these categories simply indicates how frequently a particular coat is found within the breed and does not affect judging or scoring.
 

Points will only be deducted when a horse is shown with a coat color, pattern or gene classified as Unrealistic for that breed.
 

Coat judging is based on whether the selected in-game genes are considered realistic for the breed being shown (10 points). An additional 2 points may be awarded based on how realistically the resulting coat color and pattern are represented visually in-game.
 

What about Chimeras? 

While chimera horses are relatively common within the in-game breeding system, they are not considered a true inheritable coat gene or pattern. Because of this, chimeras will generally not be permitted in NEP breed standard-focused competitions and classes.
 

This rule is not intended to discourage creativity or unique horses, but rather to help maintain a fair and consistent judging environment for realism-based events. In real life, true chimerism in horses is considered extremely rare and is viewed more as a genetic mutation than a standard coat variation.

Base Coat

Bay
B
Black
BL
Chestnut
R

Dilution

Buckskin
B_CR
Dominant White
BL_DW
Mealy
_P
Perlino
B_CR2
Smokey Cream
BL_CR2
Champagne
_CH
Flaxen
R_FLX
Mushroom
_M
Silver
_Z
Cremello
R_CR2
Grey
_G
Palomino
R_CR
Smokey Black
BL_CR

Pattern

Blanket
_BK
Fewspot
_FSP
Rabicano
_RB
Snowflake
_SF
Tovero
_TOV
Brindle
_BR
Leopard
_LP
Roan
_RN
Splashed
_SW
Dun
_D
Overo
_O
Sabino
_SB
Tobiano
_TO

✦ ARCHIVE USE ✦
This archive is free to use as a reference.
Please credit Nordstern Equine Program (NEP) or bIRDLady (Discord) when using or sharing information from this archive.

Last updated | August 2026

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