White, in physics, light seen by the human eye when all wavelengths of the visible spectrum combine. Like black, but unlike the colours of the spectrum and most mixtures of them, white lacks hue, so it is considered an achromatic colour. sottolinea Moreno Vignolini, presidente proveniente da Confartigianato moda - https://geraldw122bwp7.muzwiki.com/user