Color truly is in the eye of the observer. Certain medicine can alter your perception of colors. Does that make the color different for the time you are affected?
by 
parrib1
ANSWERS: 4
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To *you*, sure! ;-)
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No, it makes your perception different. Look up "inverted spectrum" :)
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We have machines that can measure the light spectrum which includes color. The measurements are consistent while people's eyes vary.
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Yes. Color is purely subjective. It is the individual's perception of electromagnetic energy. Most individuals have the same perception of that energy, but it is still a perception. The wavelength doesn't change, the thing remains the same, but one's perception of it, called color, is not fixed.
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