If you send an e-mail to firstname.lastname@example.org
with your VIN, they should be able to send you a list of option codes associated with your Heep.
Codes are usually three character plus a suffix (Standard, Production (Option)). Paint seems three digit: P/S followed by a two digit paint code or may be four digit with the paint code as the center two digits.
Confusing ? Just take the code list referenced in posting #5 and look for a match of the two digit code in the option code listing for your car (mine is deep cherry red so the code is RP and appears in two places as PRP and QRPS