Why Do We See Color?
Is an apple truly red? is the sky really blue? well according to newtons law of color, color is not a inherent in objects. rather, the surface of an object reflects some colors and absorbs the rest. so going back to the question is the apple truly red? the red that we all see is the reflecting of the wavelengths so the the red is not "in" the apple.
The primary colors of the color spectrum are red,blue,and green.By combining amounts of red,blue,and green it creates all the colors in the spectrum. we see these colors because a part of the brain called the retina. the retina is covered by receptors that process light and sends it to nerves that then send impulses to the cortext of the brain by the optic nerve