A display apparatus comprises a display panel comprising a plurality of dimming areas, a light source unit configured to supply light to the display panel, a timing controller configured to receive a control signal and input data and to generate a gate control signal, a data control signal, and a light source control signal, a display panel driving unit configured to drive the display panel based on the gate and data control signals, and a light source driving unit configured to drive the light source unit based on the light source control signal, wherein based on the input data, the timing controller is configured to determine a first color of at least any one dimming area among the dimming areas and a second color in a complementary color relationship to the first color and to supply information on the first and second colors to the light source driving unit.