International Klein Blue

…and in 1960 he patented International Klein Blue, called IKB. In 1958, as part of a live performance, Klein choreographed female models who applied his paint to their bodies and then pressed their painted bodies on canvas or paper spread on the wall and on the floor. These “living brush”…

…in a color he named International Klein Blue, a variant of ultramarine blue that he patented as his own. Klein claimed that his Monochromes were imbued with a spiritual essence. When in 1957 he sold some of these identical canvases at varying prices (determined by him) at an exhibition in…