- ↑ RGB approximations of RYB tertiary colors, using cubic interpolation."Archived copy". Archived from the original on 2013-06-28. Retrieved 2012-12-29.
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: نگهداری یادکرد:عنوان آرشیو به جای عنوان (link)
The colors displayed here are substantially paler than the true colors a mixture of paints would produce.
- ↑ William J. Miskella, 1928, Practical Color Simplified: A Handbook on Lacquering, Enameling, Coloring And Painting, pp
- ↑ John Lemos, 1920, "Color Charts for the School Room", in School Arts, vol. 19, pp 580–584