This document discusses how the author used black and white coloring in a scene from their media project to indicate it took place in the past. The author explains they added a black and white effect to a goodbye scene at the airport between two characters, Abhi and Amelia, to distinguish it as a past event rather than the next scene. The author also discusses how black and white coloring can represent negativity like loneliness for the departing characters, but white can suggest positive aspects like freedom for the character left behind.