| Code | Definition | Number of Accessions |
| 1 | Light yellowish green (145 A-D) | 71 |
| 2 | Predominant yellowish green light (145 AD) with light red (pink) (51C, D) irregularly distributed along the stem | 75 |
| 3 | Predominant grayish red (178B) with yellowish green (146C, D) irregularly distributed along the stem | 3 |
| 4 | Grayish red (178A, B, 182A, B) | 11 |