Book plate showing a color wheel which is split into twelve segments each a different color of the spectrum from yellow through to green. A black cross is in the center and black dotted lines form x shaped diagonal lines crossing the color wheel with the letters yg, yr, br, and bg at the edges, which stand for yellow-green, yellow-red, blue-red and blue-green. The letters Y, R, B, G are written at the 12, 3, 6, and 9' o'clock positions if the circle was a clock, which stand for yellow, red, blue and green. Underneath the color wheel is a scale from white through grey to black in the form of seven sections with the letters V and S above the white and black segment respectively. Above the color wheel black capitalised text states [FÄRGTONKRETS], while above the white to black scale the word [GRASKALA] is printed in black capitlalised letters.

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Object Timeline

	We acquired this object.
1937	Work on this object began.
2018	We photographed this object. We photographed this object. We photographed this object. We photographed this object. We exhibited this object.
2024	You found it!

Book, Färg: den allmänna färglärans grunder (Color: The General Coloring Grounds)

This is a Book. It was written by Tryggve Johansson.

This object is not part of the Cooper Hewitt's permanent collection. It was able to spend time at the museum on loan from Smithsonian Libraries and Archives as part of Saturated: The Allure and Science of Color.

It is dated 1937. Its medium is offset lithograph on paper.

As a physicist, Tryggve Johansson was deeply influenced by the work of Ewald Hering, who introduced the concept of opponent color theory, in which the photoreceptors in the retina (cones) are linked to process three contrasting pairs of stimuli: red/green, blue/yellow, and light/dark.

It is credited Smithsonian Libraries, QC495 .J6 1952X.