Cassler Brown

Cassler brown - 15 ml

Warm, semi-transparent brown tone from brown coal (NBr8)
Good light fastness
Known as early as the 16th century, widely used from the 17th to 19th century
Popular pigment until the 1960s
Since the 1970s replaced by more resistant, similar lasing pigments
Today only rarely found in artists' supplies
Prized by van Dyck, Rembrandt and Rubens
Recognizable in historical paintings as a warm, transparent brown, often mixed with golden ochre