What is RGB color space?

RGB color space is an addictive color model, defining each color as a sum of the three primary colors (red, green, and blue).
The choice of red, green, and blue as primary colors is based on the human eye structure: in fact, our eyes have receptors that are sensitive to these three colors' wavelengths.
Due to its characteristics, RGB is a particularly suitable model for image representation on electronic devices.

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