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For any in the comments because they are curious, no they do not. It's not particularly exciting, but colors don't work at that scale, since the wavelengths that we detect as colors are many orders of magnitudes larger than atoms.
Well just because color doesn't work at the atomic level doesn't mean the atom is devoid of coloration. A pure bar of gold will look gold, and the only thing giving it that gold color is gold itself, would you not say that the atoms are gold colored?