Hue
Color Hues
Unique hue is the degree to which color can be described in a common language as a specific color, like red, yellow, green, cyan, blue, and the way to distinguish one color group from another. Hue fuchsia (magenta) is based not on one wavelength, but on a mix from the opposite ends of the visible color spectrum.
Light is visible to the human eye as hues in frequencies 400 - 700 nanometers, known a wavelengths. Hues are not just a physical phenomenon but are also created by our brain, so colors we see can be combinations of the hues. Light, heat, and hue are three ways to express electromagnetic radiation.
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