Did someone tell you rainbows contain all the colors? Well, that’s not true! It is missing a whopping 28% of colors!🌈
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Well there is wavelength and intensity, an all together it is called a spectrum. No need for a third parameter. Also there are mor than 100% of all colors in there, as a quick check on Wikipedia would reveal…
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The third parameter is saturation, which comes into play for non-monochromatic (i.e., multiple-wavelength) colors.
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There is no such thing as a mono wavelength color. There are only spectral densities. Or in other words electromagnetic radiation / photons distributed over some energy.
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Is this a weird terminology argument? Because there are definitely ways to produce color that output one specific wavelength of light.
