Charcoal black is one of the oldest pigments in history used frequently by baroque painters such as Vermeer, Rubens, and Rembrandt.
These Photos Aren't Censored, That's Just an Object Painted with
black - ColourLex - Art and Science
ivory black – Cultural Heritage Science Open Source
black - ColourLex - Art and Science
Developing the Darkest Coating in the World – Current Happenings
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Kandinsky, Picture with a black arch - ColourLex
ivory black – Cultural Heritage Science Open Source
Images
Charcoal black pigment - ColourLex - Art and Science