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Optical Mixtures the Bezold Effect. Bridget Riley. Optical Mixtures. Two or more colors placed next to each other to create a blending, blurring , or neutralizing effect. Blending: Two colors placed next to each other in small amounts will seem to create their mixture, Blue+red = violet.

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Optical mixtures the bezold effect

Optical Mixturesthe Bezold Effect



Optical mixtures
Optical Mixtures

  • Two or more colors placed next to each other to create a blending, blurring , or neutralizing effect.


Optical mixtures the bezold effect
Blending: Two colors placed next to each other in small amounts will seem to create their mixture,Blue+red= violet


Size of color area and value of adjacent colors will determine how successful the illusion is
Size of color area and value of adjacent colors will determine how successful the illusion is.

Smaller areas of color, and colors that are closer in value tend to create more convincing blends.


Optical mixtures the bezold effect

Blurring: Two colors of similar hue, value and saturation will seem to blur into one another, making it difficult to determine their edges. This works best with ANALOGOUS colors—Colors next to one another on the color wheel


Optical mixtures the bezold effect
Neutralizing: two complements will optically mix to produce gray. This was the theory the pointilists followed.


Optical mixtures the bezold effect

George Seurat, Bathers gray. This was the theory the


Optical mixtures the bezold effect


Why use optical mixtures rather than just mixing paints
Why use optical mixtures rather than just mixing paints? complements produce OPTICAL VIBRATIONS, rather than optically mixing


Optical mixtures the bezold effect

Creating Optical Mixtures using additive primaries create an effect similar to the light-based color system: the mixture seems more luminous than traditional paint mixtures. Red and Green seem to create yellowBlue and red seem to create magentaBlue and green seem to create cyan


Optical mixtures the bezold effect


Optical mixtures the bezold effect

Monet mixing----similar to the additive system.


Optical mixtures the bezold effect

Monet, Haystacks mixing----similar to the additive system.


Optical mixtures the bezold effect

Chuck Close, Agnes mixing----similar to the additive system.


Optical mixtures the bezold effect

Chuck Close mixing----similar to the additive system.


Optical mixtures the bezold effect

Chuck Close, Studio shot mixing----similar to the additive system.


Optical mixtures the bezold effect

Richard mixing----similar to the additive system.Anuskiewics


The bezold effect
The mixing----similar to the additive system.Bezold Effect

  • Wilhelm Bezold, a textile designer discovered that by changing one dominant color in a pattern or composition, it is possible to change the entire ‘look’ and ‘feel’ of the composition.


Optical mixtures the bezold effect

Does the size of the red bricks seem to change? The size of the grout between the bricks? What happens to the white square? Which seems more stable?


Optical mixtures the bezold effect

Does our perception of any colors change? the grout between the bricks? What happens to the white square? Which seems more stable?


Optical mixtures the bezold effect

Which seems ‘softer’? How is the the grout between the bricks? What happens to the white square? Which seems more stable?Bezold effect related to simultaneous contrast in this example?


Optical mixtures the bezold effect

  • The the grout between the bricks? What happens to the white square? Which seems more stable?Bezold Effect will be most effective if the changing colors are very different in hue and/or value—which is why so many examples showed a black/white change.