An artist whose color is never out of style—  Today we celebrate the visionary, Yves Klein, and his iconic “International Klein Blue” that was officially registered on this day in 1960. 💙 Michelle Barger, Director of Conservation at SFMOMA, gives us a deep dive into our Artist Materials Collection, explaining the ins and outs of Klein’s favorite blue pigment. What artist materials do you want to see next? Let us know in the comments! [Photo 1: Yves Klein, “IKB74,” 1958; Gift of Phyllis C. Wattis; © Artists Rights Society (ARS), New York / ADAGP, Paris; photo: Don Ross Photo 2: Yves Klein, “Éponge (SE180) (Sponge [SE180]),” 1957, Bequest of Phyllis C. Wattis; © Artists Rights Society (ARS), New York / ADAGP, Paris; photo: Katherine Du Tiel]