Prussian blue, discovered in 1704 or 1705, is generally regarded as the first of the modern colors. In truth it is something of an anomaly, appearing
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Pigments through the Ages - Overview - Prussian blue
PRUSSIAN BLUE PIGMENT
The History of Prussian Blue - Jackson's Art Blog
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Prussian Blue: Chemistry, Commerce, and Colour in Eighteenth‐Century Paris - Guichard - 2023 - Art History - Wiley Online Library
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Shop Natural Pigments - Prussian Blue, Rublev Colours Prussian Blue Dry Pigment
Shop Natural Pigments - Prussian Blue, Rublev Colours Prussian Blue Dry Pigment