Melanin is the pigment that colors skin. Other words for pigment in general are melanin, tint, color, dye, and hue.
ceramic pigment
Pigment
Shade is another word for color. Additional synonyms include pigment and hue.
Hue, shade, tint hint of light pastel faint pale
a albino has no pigment
Tim had a pigment discoloration on his skin.
The blanket had a deep red pigment to it.
Bilirubin
This paint uses a mica flake pigment for a sparkly effect.
the artist used yellow pigment to make the paint yellow
The word "pigment" has two syllables: pig-ment.
Paint.