Lighter colors like red and yellow are on the opposite end of the spectrum with longer wavelengths and lower energy levels. ![]() High-energy, short-length waves like ultraviolet rays are invisible to the eye but fall on the same spectrum.ĭarker colors like violet and blue are the closest to UV wavelength and strength. ![]() High-energy waves have short lengths and low-energy waves have long lengths. Blue light is a high-energy, visible (HEV) light falling in the same category of visible light as violet.Īll visible light falls on a color spectrum based on the frequency of a wavelength and energy levels produced by each color. The simplest blue light definition is a high-intensity, short wavelength range of visible light on the spectrum. While there are reasons to pay attention to the ways blue light may be harmful, there is no cause for alarm.
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