The two have about the same amount of light output. A chart showing the source of electricity production in the U.S.A. 6 A chart showing the electricity usage in a number of countries. Annually Lighting Up the Night Sky. The idea of a spectrum. This is a photo of the Moon taken with a small transmission grating placed in front of the camera lens.
White light is made up of many colors.
The spectrum of an incandescent lamp is rather like the spectrum of the Moon, which is actually a spectrum of sunlight reflected from the Moon, of course. The spectral output of a typical fluorescent lamp. The spectral output of a mercury lamp. The spectral output of a high pressure sodium lamp. The spectral output of a low pressure sodium lamp.