The article discusses the subjective nature of color perception and challenges the notion that colors are entirely relative. It recounts variations in color perception among individuals and under different environmental conditions. The authors argue that despite perceptual variations, colors possess objective qualities akin to measurable physical attributes. They emphasize that personal experiences of color do not negate its objectivity, paralleling how temperature is perceived differently yet remains a fixed property.
If you offer a group of people a spectrum of color chips ranging from chartreuse to purple and asked each to pick the "unique green" chip - the green chip with no yellow or blue in it - the choices would vary considerably.
If you place a gray object against a lighter background, it will appear darker than if you place it against a darker background.
That you experience something differently does not prove that what is experienced is not objective. Water that feels cold to one person may not feel cold to another, but we can know the temperature.
We argue in our new book "The Metaphysics of Colors" that colors are as objective as length and temperature.
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