A display apparatus includes a display section which is attached to an electric vehicle EV operable upon supply of electric power thereto and displays information regarding the electric power supplied to the electric vehicle EV; a determination section which determines whether or not the electric power supplied to the electric vehicle EV contains green electric power; and a display control section. In the case where the determination section determines that the electric power supplied to the electric vehicle EV contains green electric power, the display control section controls the display section such that the display color becomes green. In the case where the determination section determines that the electric power supplied to the electric vehicle EV does not contain green electric power, the display control section controls the display section such that the display color becomes red.