Sorry to be the bearer of bad news, but the colour is irrelevant.
Date of Notice = date of issue
Date seen on = date of contravention.
Cold you either scan and post the ticket or copy type it in, word for word? There may be other errors that those here can spot.
The RTA 1991 does state very clearly what has to be on the ticket.
Section 66(3)
(3) A penalty charge notice must state—- (a) the grounds on which the parking attendant believes that a penalty charge is payable with respect to the vehicle;
- (b) the amount of the penalty charge which is payable;
- (c) that the penalty charge must be paid before the end of the period of 28 days beginning with the date of the notice;
- (d) that if the penalty charge is paid before the end of the period of 14 days beginning with the date of the notice, the amount of the penalty charge will be reduced by the specified proportion;
- (e) that, if the penalty charge is not paid before the end of the 28 day period, a notice to owner may be served by the London authority on the person appearing to them to be the owner of the vehicle;
- (f) the address to which payment of the penalty charge must be sent.
PCN with wrong colour car... 
