How color can be seen?

Everything in this life can never be separated from the color, any object or objects have different colors. For example, the sky is blue, w...

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Optical spectrum

Optical spectrum, or light / visible spectrum that is part of the electromagnetic spectrum visible to human eyes. Electromagnetic radiation...

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Group additive primary colors

Which belong to the group of additive primary colors are red, green and blue. Mixed colors of red and green light, produce shades of yellow...

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