Editing Primary color (section)

=== Color order systems ===

[[File:Lambert Farbenpyramide 1772.jpg|thumb|[[Johann Heinrich Lambert]]'s "Farbenpyramide" tetrahedron published in 1772. Gamboge (yellow), carmine (red), and Prussian blue pigments are used the corner swatches of each "level" of lightness with mixtures filling the others and white at the top.<ref name="Lambert1772">{{cite book |last1=Lambert |first1=J.H. |title=Beschreibung einer mit Calauischem Wachse ausgeführten Farbenpyramide |date=1772 |publisher=Haude und Spener |location=Berlin}}</ref>]]

[[File:Runge RYB sketch.png|thumb|[[Philipp Otto Runge]]'s sketch showing bl (blue), g (yellow) and r (red) as the fundamental colors<ref name="Lambert1772" />{{rp|86}}]]

Historical perspectives<ref>{{cite web |last1=MacEvoy |first1=Bruce |title=handprint : colormaking attributes |url=https://www.handprint.com/HP/WCL/color6.html#solidmodels |website=www.handprint.com}}</ref> on color order systems<ref>{{cite book |last1=Kuehni |first1=Rolf G. |title=Color space and its divisions : color order from antiquity to the present |date=2003 |publisher=Wiley-Interscience |location=Hoboken, N.J. |isbn=978-0-471-43226-5}}</ref> ("catalogs" of color) that were proposed in the 18th and 19th centuries describe them as using red, yellow, and blue pigments as chromatic primaries. [[Tobias Mayer]] (a German mathematician, physicist, and astronomer) described a [[triangular bipyramid]] with red, yellow and blue at the 3 vertices in the same plane, white at the top vertex, and black and the bottom vertex in a public lecture in 1758.<ref name="renzoshamey2020"/>{{rp|115}} There are 11 planes of colors between the white and black vertices inside the triangular bipyramid. Mayer did not seem to distinguish between colored light and colorant though he used vermilion, [[orpiment]] (King’s yellow), and Bergblau ([[azurite]]) in partially complete colorings of planes in his solid.<ref name="runge2003">{{cite web |last1=Kuehni |first1=Rolf G. |title=Philipp Otto Runge's Color Sphere A translation, with related materials and an essay |url=http://www.iscc-archive.org/pdf/RungeFarben-Kugel.pdf |archive-url=https://web.archive.org/web/20190120190655/http://iscc-archive.org/pdf/RungeFarben-Kugel.pdf |archive-date=2019-01-20 |url-status=live |access-date=2 February 2021}}</ref>{{rp|79}} [[Johann Heinrich Lambert]] (a Swiss mathematician, physicist, and astronomer) proposed a triangular pyramid with [[gamboge]], [[carmine]], and [[Prussian blue]] as primaries and only white at the top vertex (since Lambert could produce a mixture that was sufficiently black with those pigments).<ref name="renzoshamey2020"/>{{rp|123}} Lambert's work on this system was published in 1772.<ref name="Lambert1772" /> [[Philipp Otto Runge]] (the Romantic German painter) firmly believed in the theory of red, yellow and blue as the primary colors<ref name="runge2003"/>{{rp|87}} (again without distinguishing light color and colorant). His color sphere was ultimately described in an essay titled ''Farben-Kugel''<ref name="runge2003"/> (color ball) published by [[Johann Wolfgang von Goethe|Goethe]] in 1810.<ref name="runge2003"/>{{rp|84}} His spherical model of colors equally spaced red, yellow, and blue longitudinally with orange, green, and violet between them, and white and black at opposite poles.<ref name="runge2003"/>{{rp|85}}