How The World's Most Expensive Colors Are Made

Descripción:

The world's most expensive colors include a purple pigment made from snail shells and colored pencils that cost 14 times as much as Crayola's. But who’s willing to pay sometimes thousands of dollars for these high‑quality pigments, and what is behind their price tags? Business Insider visited factories, mines, and secret ateliers to see how different luxury colors are made.