Headbands

Players may, at times, wear colored headbands to represent things that cannot be represented in real life (such as invisibility).

The following headband color codes are represented in game. For obvious reasons, please do not wear a headband in any of these colors in game unless necessary to represent your character's status.

purple
Not actually there. There is no in-game ability that lets you see the person. (Usually used for NPCs who are observing but not playing anyone at the time.)
yellow
Silent. Roleplay that you don't hear the person or have any auditory clues about where the person is or what they are doing.
orange
Invisible. Roleplay that you don't see the person or have any visual clues about where the person is or what they are doing.
black
Undead.1) Weapon & spell effects may be different than for humans.
green
Non-human.2) Weapon and spell effects may be different than for humans.

Note that for silent and invisible, either of which that can be enacted and discontinued through use of magic or an innate ability:

1)
Note an undead creature may not have a headband if there is no way that you would be able to tell that they are undead.
2)
Note a non-human creature may not have a headband if there is no way that you would be able to tell that they are not human.