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I have done quite an amount of web query searches and haven't found the answer, so I'm going to post the answers here so others themselves can come to know it too:
WHAT COLOR WOULD SILVER REALLY BE IF IT WERE 100.00% AND NOT 99.9%?
If silver were 100.00% pure, it would still appear silver in color. The slight impurities in silver do not significantly affect its color, so a 100% pure silver would still have the same appearance.
Silver's color is a result of its unique arrangement of atoms, specifically how they absorb and reflect light. Even with impurities, these atomic arrangements remain consistent, leading to the characteristic silver color we are familiar with. So, whether silver is 99.9% pure or 100% pure, its color will not change significantly.
WHAT COLOR WOULD GOLD REALLY BE IF IT WERE 100.00% AND NOT 99.9%?
Gold is naturally a very bright and vibrant yellow color, so if it were to be 100.00% pure, it would likely be an even more intense and pure shade of yellow. It would have a richer and more saturated hue, as there would be no impurities or other metals present to dilute its color.