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Transcript of Color Theory
Warm & Cool, Analogous, and Complimentary Colors
Jakob Le Blon - Master Printmaker
Limited Palettes of the Color Wheel
Jakob Le Blon
Simple and Primary colors!
Irish Chemist Robert Boyle
Newton Creates Color Circle
Additive and Subtractive Color Mixture Systems
Absorption Reflection Refraction
Newton's Color Circle
Issac Newton publishes
in which he suggests that color is not substances, but light!
Jacob Christoph Le Blon, or Jakob Christoffel Le Blon, (2 May 1667 – 16 May 1741) was a German painter and engraver who invented the system of three- and four-colour printing, using an RYBK color model similar to the modern CMYK system. He used the mezzotint method to engrave three or four metal plates (one each per printing ink) to make prints with a wide range of colours. His methods helped form the foundation for modern colour printing.
The Young–Helmholtz theory (based on the work of Thomas Young and Hermann von Helmholtz in the 19th century) is a theory of trichromatic color vision – the manner in which the photoreceptor cells in the eyes of humans and other primates work to enable color vision. In 1802, Young postulated the existence of three types of photoreceptors (now known as cone cells) in the eye, each of which was sensitive to a particular range of visible light.
Hermann von Helmholtz developed the theory further in 1850: that the three types of cone photoreceptors could be classified as short-preferring (blue), middle-preferring (green), and long-preferring (red), according to their response to the wavelengths of light striking the retina. The relative strengths of the signals detected by the three types of cones are interpreted by the brain as a visible color.
Simple and Primary Colors
How Do We See Color?!
Blue, Yellow, Red, White, Black
From which all other colors can be made!
Colors next to each other on the color wheel!
Newton did not understand the difference between additive and subtractive color mixing
Hue, Value, and Saturation
Le Blon was the first person to clearly state that there is a difference between additive and subtractive colors!
To find a complimentary color, look across the color wheel!
Creating a color value scale
Mixing colors to create other colors