My grandfather use to run 'garbage trucks' (lunch trucks) they were always painted light green. He said when he didn't wash it or take care of it the color didn't show the oxidation or dirt. How about light green in a non glossy finish?
Just pulling your chain. You boat looks beautiful but I know, it takes a lot of work.
I've got the 30 foot rule. If it looks good at 30 feet it's fine.