There are various aids to help once in there..., you don't have to have a code known.... It's only set once you confirm the purchase.... After you
buy it, you must re-purchase it to change it....
I paid for my color... typed in the XXXF number for it... then, when I hit 'submit' or whatver, the thing said I had 'Bad Taste' and refused to
give me my color. I believe it ate my 200 points or whatver the number is for buying color.