A light source apparatus comprising: a red light emitting device (100, 130) to emit red light; a green light emitting device (110, 140) to emit green light; and a blue light emitting device to emit blue light, each of the red light emitting device, the green light emitting device, and the blue light emitting device disposed separately from any other, at least two of the light emitting devices each including a first light source (100, 110) emitting light of having a main wavelength of a light of primary color, and a second light source (130, 140) emitting light having a main wavelength deviated from the main wavelength of the light of the primary color emitted from the first light source, characterized in that: when each of the two light emitting devices includes the first light source (100, 110) and the second light source (130, 140), and when coordinates of the main wavelengths of light emitted by the red light emitting device (100, 130), the green light emitting device (110, 140) and the blue light emitting device are plotted in a color coordinate system of the CIE-XYZ color system, two coordinates corresponding to two main wavelengths of the light emitted from the second light sources (130, 140) are between two coordinates corresponding to two main wavelengths of light emitted from the first light sources (100, 110), and the two coordinates corresponding to two main wavelengths of the light emitted from the second light sources (130, 140) are on a line connecting the two coordinates of the light emitted from the first light sources (100, 110). a red light emitting device (100, 130) to emit red light; a green light emitting device (110, 140) to emit green light; and a blue light emitting device to emit blue light, each of the red light emitting device, the green light emitting device, and the blue light emitting device disposed separately from any other, at least two of the light emitting devices each including a first light source (100, 110) emitting light of having a main wavelength of a light of primary color, and a second light source (130, 140) emitting light having a main wavelength deviated from the main wavelength of the light of the primary color emitted from the first light source, characterized in that: when each of the two light emitting devices includes the first light source (100, 110) and the second light source (130, 140), and when coordinates of the main wavelengths of light emitted by the red light emitting device (100, 130), the green light emitting device (110, 140) and the blue light emitting device are plotted in a color coordinate system of the CIE-XYZ color system, two coordinates corresponding to two main wavelengths of the light emitted from the second light sources (130, 140) are between two coordinates corresponding to two main wavelengths of light emitted from the first light sources (100, 110), and the two coordinates corresponding to two main wavelengths of the light emitted from the second light sources (130, 140) are on a line connecting the two coordinates of the light emitted from the first light sources (100, 110). when each of the two light emitting devices includes the first light source (100, 110) and the second light source (130, 140), and when coordinates of the main wavelengths of light emitted by the red light emitting device (100, 130), the green light emitting device (110, 140) and the blue light emitting device are plotted in a color coordinate system of the CIE-XYZ color system, two coordinates corresponding to two main wavelengths of the light emitted from the second light sources (130, 140) are between two coordinates corresponding to two main wavelengths of light emitted from the first light sources (100, 110), and the two coordinates corresponding to two main wavelengths of the light emitted from the second light sources (130, 140) are on a line connecting the two coordinates of the light emitted from the first light sources (100, 110).