Green = Kunark in 3 months. Decent non-inflated economy. Still people xping at all levels. Camps more available now that PoSky dropped last week.
Blue = Twinks everywhere, inflation, quite a few raiding guilds to choose from though.
It depends if you want to make an iksar now, what zones you want to level in and if you care about jumping in to a 10 year old economy or not.
My guild (on green) has found camps open in Lguk multiple times this week, so it's not perma camped. There is a long ass /list for jboots mob though.