General Aspects of Pigment
A chemical compounds called pigments reflect light in the visible part of the spectrum. The chromophore is a highly delocalized component in a molecule that is frequently responsible for absorbing light in the visible area and giving the compound a colourful appearance, is what causes the colour to be created. Carbon-carbon double bonds, benzene rings, carbon-oxygen double bonds, lone pairs of nitrogen or oxygen and other forms of groups may all play a role in the delocalization. An electron’s energy and excitement are captured by this structure and transferred to an upper orbital. The unabsorbed energy is reflected and/or refracted in order to be captured by the eye. The eye then converts this energy into neural impulses, which the brain interprets as colour (Silva et al., 2021).