The most expensive blue in the world, how many do you know?
September 29, 2022
Blue, one of the three primary colors, has the shortest wavelength, ranging from 440 nm to 475 nm. Blue is the symbol of eternity, and different blue tools have different meanings. The bluest blue: Klein blue Blue named after French artist Yves Klein (yves klein). In 1957, master Klein exhibited eight painting boards of the […]