Hidden Car Colours:
# 149,186 -> Other purple
# 150,165 -> Fuschia
# 151,166 -> Fluorescent red
# 152,167 -> Bind wine color
# 153,168,180 -> Dark brown
# 154,169 -> Night blue
# 155,170 -> Average red
# 156,171 -> Very dark purple
# 157,172 -> Dark purple
# 158 -> King blue
# 159 -> Dark pink
# 160 -> Other dark pink
# 161,176 -> Lively red
# 173 -> Dark fuschia
# 174 -> Less dark fuschia
# 175 -> Even less dark fuschia
# 236 -> Dark green
# 237, 238, 247, 248, 249, 250, 251 -> A little less dark green
# 239, 240, 241, 242, 245, 246 -> Very dark green
# 243, 244 -> Very very dark green (almost black)
# 252 -> Brilliant green
Provided by
http://wiki.sa-mp.com/wiki/Color_ID