Artnet News - Scientists working in France, Belgium, and the United States have all confirmed that paintings by both Henri Matisse and Vincent Van Gogh are losing their bright yellow hues, which are slowly fading to more beige tones which give the works radically different appearances.
The loss of brightness is the result of a cadmium yellow pigment that was used on many Impressionist, post-Impressionist, and early modernist canvases, which contains properties that oxidize in the light, stripping the paint of its vibrant color.
The widespread use of the pigment means that the fading has implications for many masterpieces of the era.
Researchers studying both The Joy of Life by Matisse and Flowers in Blue Vase by Van Gogh posit that large areas of the works looked significantly different in color and general appearance when they were created a century ago.
"The results of this study reveal how critical it is to understand not only the chemistry of the discoloured paint," associate professor of the University of Delaware Jennifer Mass told the Telegraph, "but also the chemistry used to prepare the paints that were available to the turn of the 20th century's most treasured artists."
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