My guild has 30 members of which 19 haven't reached level 42 yet. So they're stuck with the grey (or pale blue with a sandman buff) on their island for 2 days without getting anything out of it. That will motivate them for sure!
Furthermore, I have bad eye sight. I can't see enough contrast with all the grey to do an adventure, the blueish on my home island after applying the sandman buff isn't any better. So no gameplay for me for the next two days. And yes, that's on premium...
I'm sure this was meant well but could you please put some more thought in your ideas?
Oh, and please stop this event now!