Motorcycle Repair: 1975 ironhead, model designation, paint code

Question
I'm trying to find out what numbers stand for on a 1975 ironhead xlh sporty.I allready know what the first two and last two stand for but can't find what the 5 in the middle stand for.I'm trying to rebuild as close to original as possible.Like paint color /month and day /etc ...?
Any help will be appreciated.

Answer
First two are model designation, next 5 are the production run number and last two are the year.  There are no numbers for the paint code, month, day, etc.  Those were labels stuck to the underside of the tank and fenders when new.  Check with your dealer.  They have a "Painted parts catalog" and mine doesn't go back that early.