Ship rarity

A Ship can have 3-6 'Upgrades' (3-5 Upgrade slots + trim).

If a ship has 6 it's golden. With 5 (either 5/5 no trim or 4/5 + trim) it's purple.

With 3 (3/5 no trim) or 4 (3/5 + trim or 4/4 no trim) it's blue.