With the additive color mixing principle

With the additive color mixing principle, we can easily understand the production of white light, and with the subtractive color mixing principle, we can easily understand the production of black, because when more and more molecules that can absorb visible light are added to the mixture, the range and amount of incident light is absorbed increases, until finally, it is almost completely absorbed, and the material is black.
In short, the production of material color is the result of the interaction between light and matter, and this result acts on the retina of the human eye and is reflected in a feeling left in the brain. The production of material color is inseparable from the light source, the object being illuminated, and the eyes and mind that can sense color. These three points are called the three elements of color production, and they are indispensable.

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