Color is a subjective human experience. It’s dependent on what light hits our eyes and how our brain chooses to interpret that. Check out “the dress” from a few years back.
Beyond that, no “actual color” exists.
There’s an absorption spectrum, and that’s the closest objects come to having a “real color”. It’s the spectrum of light frequencies that is absorbed by something. Any light not absorbed must escape, and that light is what reaches our eyes to become “color”.
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