| A |
Restricts eumelanin to points |
Bay |
| a |
Black/Brown - Eumelanin over entire body, uniform |
Solid |
| C |
Non-dilute |
Full Color |
| ccr |
Dilutes phaeomelanin markedly, eumelanin a little |
Cremello |
| D |
Dun dilution - dilutes both eumelanin and phaeomelanin |
Dun |
| d |
Non-dilute |
Full Color |
| Ed |
Dominate black, epistatic to A locus |
Black |
| E |
Allows eumelanic points |
Black |
| e |
Phaeomelanic points, epistatic to A locus |
Red |
| F |
Red points on ee horses |
Tostado or alazan |
| f |
Flaxen points on ee horses |
Ruano |
| P |
Pangare (light ventral areas, muzzle, over eyes |
“Belgian” |
| p |
Non-pangare |
Normal |
| Sty |
Sooty/Smutty - black mixed into body coat |
Sooty |
| sty |
Clear, non smutty color |
Normal |
| Z |
Silver dapple - dilutes eumelanin only |
Silver dapple |
| z |
Non-dilute |
Normal |
| G |
Grey |
Grey |
| g |
Nongrey |
Normal |
| R |
Roan |
Roan |
| r |
Nonroan |
Normal |
| T |
Tobiano spotting |
Tobiano |
| t |
Non tobiano |
Normal |
| O |
Non overo |
Normal |
| o |
Overo |
Overo |
| Sb |
Sabino |
Sabino |
| sb |
Non sabino |
Normal |
| Spl |
Non splashed |
Normal |
| spl |
splashed White |
Splashed |
| Rb |
Rabicano |
Rabicano |
| rb |
Non-rabicano |
Normal |
| Lp |
Leopard |
Leopard |
| lp |
Non leopard |
Normal |
| W |
White |
White |
| w |
Non white |
Normal |
