Pigment color refers to the color visually presented by organic pigments by selectively absorbing, reflecting and projecting light of specific frequencies  Structural color, also known as physical color, refers to the interaction between visible light and the physical microstructure of matter (such as lines, engravings, grooves or particles on the surface or surface of an object), and these large numbers of microscopic ordered structures have different wavelengths
The various colors produced by the scattering, diffraction or interference of light
Colorful pattern on a disc burned with a laser beam