These are the colours on a previous thread on rs2000-16v.co.uk
hope they help

numbers World /GB

Alberto Green 3/ 1
Ash Black 851/ 234
Auralis Blue 84/ 68
Black 4815/ 427
Cayman Blue 446/ 72
Dark Aubergine 363/ 154
Diamond White 2451/ 676
Java Blue 19/ 3
Levante Grey 329/ 50
Loden Green 5/ 0
Mallard Green 58/ 10
Moondust Silver 921/ 288
Nantucket Grey 6/ 0
Nouveau Red 30/ 18
Pacifica Blue 3694/ 633
Petrol Blue 955/ 207
Polaris Grey 1355/ 254
Radiant Red 4964/ 1147
State Blue 728/ 54
Tourmallard G 219/ 168

Unknown colour 43/ 7

154 made