melatonin, dark skinned persons tend to have more..and its coloring...
The brown pigment that determines skin color is called melanin. Melanin is produced by specialized cells called melanocytes in the skin in response to sun exposure. The amount and type of melanin produced by melanocytes contribute to the variations in skin color among individuals.
Foods with orange colouring contain carotene, whilst those with yellow get their colouring from the pigment xanthophyll.
Melanin is the pigment found in the eyes that gives them their color. It is produced by cells called melanocytes and the amount of melanin present determines eye color, such as brown, blue, green, or hazel.
The pigment which determines skin color is melanin.
E132 = Indigotine - synthetic blue colouring E122 = Azoribine - synthetic red colouring E171 = Titanium dioxide - white mineral based colour E172 = Iron oxides and hydroxides - orange, red, brown, blank pigment.
ceramic pigment
the natural colouring matter of animal or plant tissue. It can be found on various animals and plant the pigment of a plant is actually what make it green is chlorophyll which is present in the pigments of plant.
The pigment that determines your skin color is called melanin. Melanin is produced by specialized cells known as melanocytes and comes in various forms, primarily eumelanin (brown to black) and pheomelanin (yellow to red). The amount and type of melanin in your skin are influenced by genetic factors and environmental factors, such as sun exposure.
Because of the colored pigment that is added to it.
One is sepia.
Umber
Dark brown pigment is commonly referred to as "umber." It is a natural pigment made from clay containing iron oxide and manganese oxide, resulting in its rich brown color. Another dark brown pigment is "burnt sienna," derived from heated sienna clay. Both pigments are widely used in art and various industrial applications.