grape black, mare black and yeast black) A somewhat impure carbon pigment with a slight bluish undertone that is made by burning selected vegetable materials, such as grape vines and other such substances. Found on http://www.visual-arts-cork.com/colour-art-glossary.htm
grape black, mare black and yeast black) A somewhat impure carbon pigment with a slight bluish undertone that is made by burning selected vegetable materials, such as grape vines and other such substances.