watercolor illusion
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/AfterBroerseet1999.pdf/page1-250px-AfterBroerseet1999.pdf.jpg)
Noun
[edit]watercolor illusion (plural watercolor illusions)
- An optical illusion in which a white area takes on a pale tint of a thin, bright, intensely colored polygon surrounding it if the coloured polygon is itself surrounded by a thin, darker border.