Years before Pantone Color Guides existed, a Dutch author by the name A. Boogert wrote an extensive color guide by the title "Klaer Lightende Spiegel der Verfkonst" (1692), containing nearly 800 pages, all handwritten and painted.

[…] In over 700 pages of handwritten Dutch, the author, who identifies himself as A. Boogert (Pic 2), describes how to make watercolour paints. He explains how to mix the colours and how to change their tone by adding “one, two or three portions of water”. To illustrate his point he fills each facing page with various shades of the colour in question (lower image). To top it he made an index of all the colours he described, which in itself is a feast to look at (Pics 1 and 3). In the 17th century, an age known as the Golden Age of Dutch Painting, this manual would have hit the right spot. It makes sense, then, that the author explains in the introduction that he wrote the book for educational purposes. Remarkably, because the manual is written by hand and therefore literally one of a kind, it did not get the “reach” among painters - or attention among modern art historians - it deserves.

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Photo credit: Images via Open Culture.

Via @ellaing