A control method of a display apparatus including a panel configured to include red (R), green (G), and white (W) subpixels, and a backlight configured to provide the panel with backlight using at least one of a white light source and a blue light source, including: converting image data into R, G, and blue (B) subframe data; turning on the R, G, and W subpixels according to the R, G, and B subframe data; and turning on the W subpixel, setting a brightness of the white light source to a brightness value of the R, G, and B subframe data, providing the panel with white light at the set brightness, turning on subpixels corresponding to remaining subframe data, setting at least one of the brightness of the white light source and a brightness of the blue light source, and providing the panel with light at the set brightnesses, is provided.