| Code | Definition | Number of Accessions |
| 1 | White-greenish (Amsden, Morton) | 74 |
| 2 | White (Springtime, Silver Lode) | 152 |
| 3 | White-cream (Maria Blanca, Snow Queen) | 2 |
| 4 | Yellow-greenish (Yesuvio, Armking) | 4 |
| 5 | Yellow (Maria Serena, Maria Laura) | 177 |
| 6 | Yellow-orange (Babygold 6, Maria Aurelia) | 70 |
| 7 | Yellow-red (Pillar, Vinosa Henry de Monicourt) | 1 |
| 8 | Red (Sanguigna, Blood Fleshed) | 4 |