Simultaneous Contrast: Surroundings Change Gray

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Curated archive entry based on published research. An identical gray patch tends to look lighter on a dark surround and darker on a light surround, despite equal target luminance. This describes a documented perceptual effect under the cited conditions, not an independent personal report or evidence that the underlying physical measurements changed.

SOURCE: https://pmc.ncbi.nlm.nih.gov/articles/PMC4405616/

TAGS: #curated #publishedresearch #perception

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