(Image credit: via Erik Kwakkel)

What did people do before Pantone told us the color of the year? A. Boogert's 1692 manuscript, Traité des couleurs servant à la peinture à l’eau, explains exactly how an artist could achieve every color imaginable. The hundreds of pages are handwritten, making it one of a kind.

17th Century Color Manual Finally Gets Its Due | Co.Design