It shouldn't matter. Pick a color that works with everything else and paint it all. Nobody would notice. The same occurs when you reupholster a piece of furniture or re-vinyl marine seating, or replace canvas. Even if you have two identical boats side by side, people would simply assume each boats original owner chose a different color scheme.
On my 2005 Maxum 2900 SE I used Ranger off-white, perfect match. Looking at others Maxum's I'm sure its the same...And you can call them and get vinyl samples mailed for free.