[Onramp]

OK, here are the colours:

Dark Grey = "No - Not considering this area at the moment".
Amber = "Maybe - if we get enough interest. Still under consideration".
Blue = "Coming Soon" - this area has moved beyond just the consideration stage.
Purple = "Yes - area has been planned and will likely be built (in the next wave of areas? don't know)."

Green is what used to show before the above colours became live recently. There's no green any more.