All the posts by tag "Historic Colors" Lightfastness Test: Alizarin Crimson / Madder Lake by Matthew Innis | October 12, 2014 Testing the Tinting Strength of Paint (Revisited) by Matthew Innis | October 25, 2013 Testing the Tinting Strength of Paint by Matthew Innis | October 15, 2013 Better Know the Historic Palette: What’s the Matter with Madder? by Matthew Innis | October 29, 2011