hahaha - that'd be hysterical/amazing if it was for Harry Potter and the HBP, lol...
I have a green one that says Defy Gravity that I got to support a local drama club for a high school I work through...but yeah, somethin' tells me that's not it either...
My instinct, given that it's Rent, is that it's something to do with Aids Awareness - perhaps it's the new trend instead of the red ribbon? I dunno - maybe it'll be some kind of marketing tool along with the movie's release to raise some kind of money for a charity that helps with AIDS or a Jonathon Larson foundation or something, I dunno...the stuff on that chart seemed kinda random for Rent to be promoting it.
If I show you the darkness I hold inside, will you bring me to light?