Colourful Abstract Waves

abstract blended coloured waves.

abstract waves coloured like rainbow.

coloured smoke with white background.

some mix coloured waves with purplish background.

orange,green and blue abstract waves in small black boxes.

Abstract Lights

lightw wave is electromagnetic emission, particularly emission of a wavelength that is evident to the human eye (about 400–700 nm, or possibly 380–750 nm). In physics, the term light sometimes refers to electromagnetic emission  of any wavelength, whether evident or not.