| Code | Definition | Number of Accessions |
| BE | BROWN EDGES WITH BLACK SIDES | 385 |
| BL | BLACK SEED COAT, RHS BLACK 202A | 238 |
| BR | DARK BROWN SEED COAT, RHS 175A to 200A | 834 |
| BY | BROWN SEED COAT WITH YELLOW, DRIES TO LIGHT BROWN, RHS GRAYED-ORANGE 165B | 55 |
| PK | AMARANTHINE COTYLEDONS VISIBLE THROUGH A WHITE SEED COAT, APPROXIMATELY RHS RED-PURPLE GROUP 62B (PINK) | 65 |
| WH | WHITE SEED COAT, RHS ORANGE-WHITE 159A | 1315 |
| YL | YELLOW SEED COAT, DRIES TO RHS GREYED-ORANGE 164B | 132 |