Grullo Pearls are black horses with two prl genes and at least one Dun gene, giving them a pale coat with faint Dun markings.
| Genetic Panel | ||||||
| Extension | Agouti | Grey | Cream/Pearl | Dun | Silver | Champagne |
| E/e or E/E | a/a | n/n | prl/prl | D/n or D/D | n/n | n/n |
| Shades | |
| Foal | |
 | |
| Grullo Pearl | |
 |
Base Color
Variants