Natural Pigments Classification Structure Elucidation Synthesis Classification Type Structure Elucidation Cyanin Pelargonin Flavonols Quercetin Synthesis β-Carotin Porphyrins Haemin Chlorophyll Pigments are “molecules that absorb specific wavelength (energies) of light and reflect all others.” Pigments are coloured. The colour we see is the net effect of all the light reflecting back at us…!