Is Black a color or just the absence of others colors/light . What actually constituents colors? How do we define if something is a color or not?
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1$\begingroup$ Related: physics.stackexchange.com/q/19690 ; physics.stackexchange.com/q/24263 $\endgroup$– MarcelJun 23, 2022 at 13:06
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2$\begingroup$ Does this answer your question? What are colors? $\endgroup$– BioPhysicistJun 23, 2022 at 13:13
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$\begingroup$ Color is subjective term, usually color maps to some light frequency range. But also color depends on sensitivity of human photoreceptor cells. Bear in mind that some people do not see colors correctly at all {see Color blindness} as well as some animals only see in a grayscale (shade of darkness). $\endgroup$– Agnius VasiliauskasJun 23, 2022 at 13:32
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1$\begingroup$ Depends who you ask. A printer or a painter would tell you that black is a color. A physicist would say, "no." $\endgroup$– Solomon SlowJun 23, 2022 at 13:40
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$\begingroup$ What is Gray, from a physics POV? $\endgroup$– mmesser314Jun 23, 2022 at 14:30
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