Du Fresnoy writes about colors that appear on the palette of Roger de Piles' translation of
De Arte Graphica:
Red Oker is one of the most heavy Colours.
Yellow Oker is not so heavy, because 'tis clearer.
And the Masticot is very light, because it is a very clear yellow, and very near to white.
Ultramarine
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Traditional Oil Painting: The Revival of Historical Artists' Materials
In recent years, we have witnessed the trend towards the use of traditional artists’ materials—painting materials used prior to the twentieth century. This is evident from the growth of small artists’ color companies and in the increased interest among artists about historical painting techniques and materials. Why this trend is occurring is subject to much speculation, but some may say it is due to the revival in figurative art, especially since the 1970s. I would prefer to say that interest in figurative art never really died out, but rather it has survived abstract art.
If this is the case, that the trend towards traditional artists’ materials is related to the renewed interest in figurative art, than Bill Creevy, author and contributing writer to American Artist magazine, may have identified the motivation for this trend. He said, “The advantage to being a figurative artist is that you don’t have to really worry about being in or out of fashion.