White *light* is every 'color' combined. A white object itself reflects all color for the eye to perceive it as white, and thus the object itself is said to have no 'color.' (If Mr. Flossy insists to be technical, then let's just take out the word color to begin with and replace it all with electromagnetic radiation of x wavelength ^_~)
<= expert at twisting truth for her own benefits
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Zodiac wing pallete is sort of rainbow color... at least on peco riding characters, it is almost always very flashy (or is it the easter color? Namin? is not sure... but one of them does give a very colorful appearance.)