Silver Grullos are black horses with at least one Silver gene and at least one Dun gene, giving them a pale coat that is extra shiny with a silvery mane and tail.
| Genetic Panel | ||||||
| Extension | Agouti | Grey | Cream/Pearl | Dun | Silver | Champagne |
| E/e or E/E | a/a | n/n | n/n | D/n or D/D | Z/n or Z/Z | n/n |
| Shades | |
| Foal | |
 | |
| Standard Silver Grullo | Dark Silver Grullo |
 |  |
| Light Silver Grullo | |
 | |
Base Color
Variants