White is a color described by the combination of all frequencies of visible light.
White when mixed with black in different portions becomes the shades of grey (also, at least in the United States, commonly spelled "gray").
The term white is also used for people with light skin color.
Usage, symbolism, colloquial expressions
See also white noise, whitewash, and whiteout, where things get lost as a result of being indistinguishable due to the saturation from the other sources.