Definition: Name given by observer to the visual perception of the colour e.g. blue, brown, purple, aquamarine. * It is the attribute of light that varies with wavelength or, more commonly, with the combined wavelengths of the most energetic parts of a sample of light. * Neutral colours such as greys, white, black -- i.e. the so-called 'achromatic colours' -- have no hue.
Mix-ups aren't confusing
Note that different mixes of the same colours or different mixes of different colours can all produce the same hue: in fact, if you want to amuse yourself, you can try to work out how many different ways there are of producing the same hue (make it easy and assume a colour space for the mixes equal to that of perceptual space).

Related Terms: chroma

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