| Code | Definition | Number of Accessions |
| 1 | white,straw-yellow | 1807 |
| 3 | black, black-blue against a white background | 1 |
| 4 | brown | 365 |
| 5 | red with black border along the glume edge | 1 |
| 6 | black, black-blue against a red background | 3 |
| 7 | dull-grey against a white background | 6 |
| 8 | dull-grey against a red background | 5 |