A light emitting device emits light that is specified by an emission spectrum having a first peak wavelength, a second peak wavelength, a third peak wavelength, and a fourth peak wavelength. The first peak wavelength is included in a wavelength range of 600 nm to 660 nm. The second peak wavelength is included in a wavelength range of 510 nm to 550 nm. The third peak wavelength is included in a wavelength range of 440 nm to 470 nm. The fourth peak wavelength is included in a wavelength range of 360 nm to 430 nm. When a light intensity at the first peak wavelength is assumed to be 1, a relative light intensity at the second peak wavelength is greater than or equal to 0.75 and less than or equal to 0.98. A relative light intensity at the third peak wavelength is greater than or equal to 0.55 and less than or equal to 0.95. A relative light intensity at the fourth peak wavelength is greater than or equal to 0.50 and less than or equal to 0.85.