'White as Snow' in the Bible

Come now, let us reason together, saith Jehovah: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.

I beheld till thrones were set, and the Ancient of days did sit: his raiment was white as snow, and the hair of his head like pure wool; his throne was flames of fire, and its wheels burning fire.

And his look was as lightning, and his clothing white as snow.

and his garments became shining, exceeding white as snow, such as fuller on earth could not whiten them.