White objects fully (or almost fully) reflect and scatter all the visible wavelengths of light. White on television and computer screens is created by a mixture of red, blue, and green light. Unlike the colors of the spectrum, white lacks hue, so it is considered an achromatic color.
Of a colour like that of snow, milk, or bone: A white surface reflects light of all hues completely and diffusely. Pigments for white come from lead, lime, titanium dioxide, zinc oxide, and artificial chemical.
Of the color of pure snow, of the margins of this page, etc.; Reflecting nearly all the rays of sunlight or a similar light. Having a pale face because you are not well…. While white commonly represents purity and innocence in western ceremonies like weddings and baptisms, it carries meanings of death and renewal in eastern.
See examples of white used in a sentence.