Cool colors
Cool colors are colours that give off a cold and clear vibe. These can include colours such as blue, purple, and green. They can invoke feelings such as peacefulness or tranquility, which is the direct opposite of warm colours.
Cool Colors Media
Johann Wolfgang von Goethe's color wheel from his 1810 Theory of Colours
Page from 1826 A New Practical Treatise on the Three Primitive Colours Assumed as a Perfect System of Rudimentary Information by Charles Hayter
Munsell's 1905 color system represents colors using three color-making attributes, value (lightness), chroma (saturation), and hue.
Primary, secondary, and tertiary colors of the RYB color model
Chevreul's 1855 "chromatic diagram" based on the RYB color model, showing complementary colors and other relationships
Georg Christoph Lichtenberg. Göttingen, 1775, plate III.
Ignaz Schiffermüller, Versuch eines Farbensystems (Vienna, 1772), plate I.
.svg)
