The color of an object is determined primarily by the colors of the light that illuminates it and the molecular structure of the object. While the foreground can influence perception, it does not change the object's true color. Thus, the correct option is A: the light that illuminates them.
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The color of an object primarily depends on the colors of the light that illuminates it and the molecules comprising it. While the foreground can affect perception, it does not change the object's true color. Objects reflect certain wavelengths of light, giving them their distinctive colors. ;