[Story of Colour] Sap Green 2021-01-21
Sap green was firstly recorded by the Italian painter Cennino Cennini (c.1360), who is remembered for having authored Il libro dell’arte, a ‘how to’ book on late Medieval and early Renaissance painting. In this book he stated that sap green would not last and he was right. The addition of alum did make the colour more durable, but not permanent by contemporary standards.
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