| Kind | Value | annotation | ||
| enumeration | 11_purplish black | |||
| enumeration | 10_purple | |||
| enumeration | 0_RHS Colour Chart indicate reference number | |||
| enumeration | 1_none | |||
| enumeration | 2_white | |||
| enumeration | 9_reddish purple | |||
| enumeration | 4_yellow | |||
| enumeration | 5_yellow green | |||
| enumeration | 6_green | |||
| enumeration | 7_yellow brown | |||
| enumeration | 8_reddish brown | |||
| enumeration | 3_yellowish white |