If things are a certain color because they absorb all color waves except the certain wave length they reflect, then we are seeing a reflected color and not the actual color right?
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Color isn’t really a real thing.
It is only something that exist in our minds.
The idea of color broadly correlates with concepts of wavelengths of light.
But not really. Magenta for example is not a color that has a wavelength of light associated with it. It is an idea our brains come up with to describe the sort of effect you get when the receptors for both the high and the low end of the visible spectrum register something but not the ones in the middle.
The physical world has colors on a linear spectrum but our brain has twisted that into a wheel and invented colors that don’t exist in real life as photons of light.
Objects can both reflect and emit light.
If you were to ignore the light reflected of objects and only the one that they give off themselves, most would appear black because the light they give of is outside the visible spectrum.
If you ask what color natural objects are really, you could argue that they all are infra-red. But that isn’t a color you can see.
If you heat up stuff the light they give of will eventually start shift into the visible spectrum and appear red hot and than white hot.
But these things are only that color at that temperature.
Without reflection or heating them up enough to glow visibly most objects around you simply don’t send any photons to your eyes that correspond to any color you brain knows.
So one answer to your question is that things are mostly black.
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