| Kind | Value | annotation | ||
| enumeration | 8_blue | |||
| enumeration | 7_red purple | |||
| enumeration | 6_purple | |||
| enumeration | 5_pink | |||
| enumeration | 4_pink orange | |||
| enumeration | 3_orange | |||
| enumeration | 2_yellow | |||
| enumeration | 1_white | |||
| enumeration | 0_RHS Colour Chart indicate reference number | |||
| enumeration | 9_green |