| Code | Definition | Number of Accessions |
| 1 | 1= [outlier1], 2= [outlier 2], 3= [light], 4= [between light and medium], 5= [medium], 6= [between medium and dark], 7= [dark] | 1 |
| 3 | 1= [outlier1], 2= [outlier 2], 3= [light], 4= [between light and medium], 5= [medium], 6= [between medium and dark], 7= [dark] | 41 |
| 5 | 1= [outlier1], 2= [outlier 2], 3= [light], 4= [between light and medium], 5= [medium], 6= [between medium and dark], 7= [dark] | 35 |
| 7 | 1= [outlier1], 2= [outlier 2], 3= [light], 4= [between light and medium], 5= [medium], 6= [between medium and dark], 7= [dark] | 14 |