Lantern oaths. White, whose oath has not yet been spoken, represent life. Red is rage. Orange is avarice. Yellow, the Sinestro Corps, is fear. Green is willpower. Blue is hope. Indigo tribe (oath spoken and written in native tongue) is compassion. Star Sapphires wield love. Black represent death.
Red Lantern Power Ring..... Red Lantern Corps Oath....... "With blood and rage of crimson red, Ripped from a corpse so freshly dead, Together with our hellish hate, We'll burn you all--that is your fate!