Bead colors and their meanings at Frolicon.

[earendel]

Black: Dom/Top
White: Sub/Bottom
B&W: switch
Green: Open to anything
Purple: Wish on the wish board
Yellow: Newbie
Blue: into boys
Pink: into girls
Pink and Blue: into both
Propeller beads: polyamorous
Orange: Hands off

First time I knew this. Makes me wonder what colors I have at home from previous years.