These colors can run created by Bruce Rolff in 2021.
Digital creation, using various techniques.
Each color has its own vibration, similar to how each sound has its own wavelength. I believe in the healing power of colors, based on the effect their vibrations have on the body and mind.
An artwork will create very different energy depending on whether it contains all one color, a few colors, or many colors. And then the type of energy they emit will depend on what exactly those colors are.