Color is based on human perception of the visual spectrum of light. Our ability to see different colors is due having a variety of cone cells on the retina that are sensitive to different wavelengths of light.
Black is the label we give to the perception of the absence of light reaching the eye. Objects that absorb all wavelengths of light, rather than reflect them, appear black. We also see black (or darkness) at night or when we shut off the lights.
When somebody says "black is not a color" they are referring to the fact that black is not a scientific observation of light. However, since color science is based on human perception, and our eyes perceive the absence of light, it is OK to call black a color.
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1 comment:
that's really interesting, i learned that in school but i still don't think most people are aware of this fact, or maybe they just don't care
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