If you send these colors back to a screen, the result is white. These three when added together on a screen produce white light. Each of these three colors absorb all the colors except their own so if you mix them together all the colors are absorbed including the original three. If you look with a magnifying glass at pictures printed in full color in magazines, you'll notice three colors of ink plus black. These are the subtractive primary colors of magenta, yellow, and cyan.
Small bells resonate with high-pitched sounds.
Small particles resonate with high-frequency light. The sky is blue because these molecules resonate with those particular frequencies coming from the sunlight. The total effect is white. Most of the different sized water droplets and aerosols have been washed out leaving the more selective resonators of nitrogen and oxygen. The sky at sunset is reddish because of the line of sight towards the horizon passes through more dust particles.