Disclosed herein is a lighting apparatus using one or more fluorescent lamps. The lighting apparatus according to the present invention includes one or more sockets, a board, a ballast, and a Direct Current (DC) power supply. The sockets accommodate the fluorescent lamps. The board supports Light Emitting Diodes (LEDs) for emitting green light in a wavelength range of 498 to 530 nm, LEDs for emitting red light in a wavelength range of 620 to 700 nm, and LEDs for emitting bluish green at 495 nm. The ballast provides a ballast function to the fluorescent lamps. The DC power supply supplies DC power to the LEDs.