Grumbacher Pre-Tested Oil Indigo 37ml

A blue-black color with a purple bias, this historic color was a popular commodity in ancient times as a dye extracted from the indigo plant. Synthesized indigo pigments used in paint was developed in the late 19th century. Pre-tested Professional Indigo is a true indigo and is opaque with a high tinting strength. This color is ideal for mixing shades and deepening colors.