A semi-transparent, warm opaque pigment. Historically, this black was derived from burnt ivory from now-endangered species. Thankfully, this is no longer the practice.
An Ivory Black touched with yellow creates a blackened green excellent for backlit foliage. Think sumi and hand-painted stone lithographs. Can be used to darken transparent pigment.
Complimentary colors are:
Vivianite (Blue Ochre) Genuine