Sennelier professional artist quality oil paints are rich and heavy but never stiff. The colors are luminous, their feel is smooth and buttery. The oil chosen for each individual color is selected according to the specific properties of the color's pigments. This custom oil to pigment matching makes Sennelier oil paints resistant to fading and cracking. The evidence of this is in museums worldwide on the canvases of the impressionists, as well as artists such as Chagall, Kandinsky, Modigliani and Yves Klein.