Fundación Juan March in Madrid has launched ‘It Must Be Seen. The Autonomy of Color in Abstract Art,’ on view until June 8, 2025.

The background color is inspired by International Klein Blue, a hue that the artist Yves Klein first mixed in the 1950s, using it to make an array of monochromatic paintings until his death in 1962.

Gerhard Richter and Yves Klein before they go under the hammer in London and New York. The art will be on display until Feb. 10. "Art has always been a source of inspiration and over the years ...