I found these paint codes from
http://www.gtfacts.asn.au
<TABLE cellSpacing=1 width=300 border=0><TBODY><TR><TD vAlign=top width="40%" bgColor=#000000>
Code</TD><TD vAlign=top width="60%" bgColor=#000000>
Colour</TD></TR><TR><TD vAlign=top width="40%">
V</TD><TD vAlign=top width="60%">
Apollo Blue</TD></TR><TR><TD vAlign=top width="40%">
U</TD><TD vAlign=top width="60%">
Burnt Orange</TD></TR><TR><TD vAlign=top width="40%">
R</TD><TD vAlign=top width="60%">
Copper Bronze Metallic</TD></TR><TR><TD vAlign=top width="40%">
P</TD><TD vAlign=top width="60%">
Emerald Fire</TD></TR><TR><TD vAlign=top width="40%">
6</TD><TD vAlign=top width="60%">
Mulberry Metallic</TD></TR><TR><TD vAlign=top width="40%">
L</TD><TD vAlign=top width="60%">
Mushroom Beige</TD></TR><TR><TD vAlign=top width="40%">
3</TD><TD vAlign=top width="60%">
Polar White</TD></TR><TR><TD vAlign=top width="40%">
N</TD><TD vAlign=top width="60%">
Port Wine</TD></TR><TR><TD vAlign=top width="40%">
X</TD><TD vAlign=top width="60%">
Red Pepper</TD></TR><TR><TD vAlign=top width="40%">
9 1973/74</TD><TD vAlign=top width="60%">
Sandstone Beige</TD></TR><TR><TD vAlign=top width="40%">
9 1976/81</TD><TD vAlign=top width="60%">
Snow White</TD></TR><TR><TD vAlign=top width="40%">
H</TD><TD vAlign=top width="60%">
Tropic Gold Metallic</TD></TR><TR><TD vAlign=top width="40%">
2 or Y</TD><TD vAlign=top width="60%">
Tropicana Green Metallic</TD></TR><TR><TD vAlign=top width="40%">
7</TD><TD vAlign=top width="60%">
Walnut Glow Metallic</TD></TR><TR><TD vAlign=top width="40%">
M</TD><TD vAlign=top width="60%">
Yellow Blaze</TD></TR><TR><TD vAlign=top width="40%">
A</TD><TD vAlign=top width="60%">
Yellow Sand</TD></TR><TR><TD vAlign=top width="40%">
B</TD><TD vAlign=top width="60%">
Onyx Black</TD></TR><TR><TD vAlign=top width="40%"></TD><TD vAlign=top width="60%">
Quikasair</TD></TR><TR><TD vAlign=top width="40%">
Y045</TD><TD>
Corporate Blue</TD></TR><TR><TD vAlign=top width="40%">
Y396</TD><TD vAlign=top width="60%">
Lime Glaze</TD></TR><TR><TD vAlign=top width="40%">
SPEC</TD><TD vAlign=top width="60%">
Whatever You Like</TD></TR></TBODY></TABLE>