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Color Assimilation

Chromatic Dungeon Illusion

After Akiyoshi Kitaoka

An illustration of the "Chromatic Dungeon" Visual Illusion with two stars that appear differently colored.

Watercolor Effect

After Baingio Pinna. This figure is published here. Want to learn more about the watercolor effect? Check out this very nice student project by Doulton-Lee Ho, Jake Freedman, Haichen Rong and Alexander Gerlach!

An illustration of the so-called "watercolor effect" in which the color of a inne boundary line seems to spread to cover the enclosed areas.

Von Bezold Effect

This image will appear in an exhibition catalogue essay titled "Illusions, Art, and Seeing with Color" (Museo de Ciencias, Universidad de Navarra).

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Simultaneous Color Contrast

The following two images are published here: https://1000wordphilosophy.com/2023/10/26/philosophy-of-color/?fbclid=IwAR0uUidY8eofRFQVBy7DlowEM-AXwUckrfeI2cW-ZZSMcfKirSb0JSoE25U

An illustration of simultaneous color contrast effect. Physically identical icons appear differently colored against differently colored backgrounds.
An illustration of simultaneous color contrast effect. The letters C, O, L, O and R appear differently colored even though physically identical.

After Akiyoshi Kitaoka. This figure is published here.

flowers.tiff
A GIF illustarting the simultaneous color contrast effect. A cat and a butterfly appear grey against a white background and pinkish against a cyan background.

Color Constancy

Blue Background

Links

The Illusions Index by the Center for the Study of Perceptual Experience at the University of Glasgow

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Akiyoshi Kitaoka's Illusions Pages 

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Amos Storkey's Vsaiul Isulloins page

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Michael Bach's 148 Optical Illusions & Visual Phenomena

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Olafur Eliasson on how his light installation at the National Gallery changes perceptions—in more ways than one

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Op Art (Tate)

Blue to Cream Gradient

©2021 by Tiina Carita Rosenqvist

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