Believe it or not there are different colors of noise. The colors correspond with the noise power density. For example, blue noise's power density increases 3 dB per octave.

Noise to the ears, is like flashing random patterns of ugly colors to the eyes.

The colors people pick may help to determine what mood someone is in. There can also be noise issues that mess with their learning and thinking.

Red, orange, yellow, green, blue, violet.

Basically, the colors of the rainbow. It works just like white noise. When you hear too many sounds, your brain blends them together. When you see too many colors, your brain blends them together.

examples of internal noise.thermal noise,short noise,i/f noise