Wiktionary
lipochrome
n. Any naturally-occurring, fat-soluble pigment such as carotenes or chlorophyll
Wikipedia
Lipochrome
Lipochrome is a form of pigment associated with green, amber, and gold tones in human eyes and the eyes of other mammals.
The term carotenoid is sometimes considered a synonym, but that term usually refers to specific molecules, while lipochrome refers to accumulations of varied molecules.