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