If you're in the hotel, you have to chose between lavender blue or lavender green. You're in between the fountain and the fireworks, you can't see both at the same time. (And if there are projections on the hotel, you can't see that at all if you're *in* the hotel).
And if you're in between the fountain and the hotel, you can't see the fireworks and the fountain at the same time.
(Presuming the fountain will be synced with the fireworks.)
It's like being by the carousel in MK during the fireworks. You can't see the projections. If you want to see both the projections and the fireworks, you have to be in the hub.