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artist stuart semple trademark infringement lawsuit yves klein estate easy blue paint 1234740265

British artist Stuart Semple has lost a trademark infringement lawsuit in a French court filed by the estate of Yves Klein. The court ruled that Semple's product “Easy Klein Incredibly Kleinish Blue” violated the Yves Klein trademark, ordering him to pay €16,000 ($18,200) in damages and legal fees. Semple, who claims he was unaware of the lawsuit until it was reported, has two months to appeal. The lawsuit was brought by Yves Amu Klein, the artist's son and operator of Pia Gallery in Scottsdale, Arizona, along with Blue Bay Limited, which holds the international trademark for “Yves Klein.” Semple released the paint in 2021 after a decade of development.

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olo new color yolo stuart semple 2635547

Researchers at the University of California, Berkeley, have discovered a new color called "olo" that cannot be seen under normal conditions. The color, described as a highly saturated blue-green, was perceived by five human subjects during tests using a complex laser system and custom software named Oz. The team published their findings in *Science Advances* on April 18, explaining that olo results from stimulating only the medium-wavelength cone cells in the retina, a feat not possible with natural light. British artist Stuart Semple has since created a physical paint called YOLO, claiming it is the closest approximation to this elusive color, priced at $10,000 per 150ml bottle.