Characters are highlighted according to the film in which they are first introduced. If they receive no introduction, color is based on their first on-screen appearance.
Red = Philosopher's Stone; Orange = Chamber of Secrets; Yellow = Prisoner of Azkaban; Green = Goblet of Fire; Blue = Order of the Phoenix; Purple = Half-Blood Prince; Grey = Deathly Hallows pt 1; Black = Deathly Hallows pt 2