Grumbacher Pre-Tested Oil Paint, 37ml/1.25 Ounce, Burnt Sienna (P023G) A standard color on most palettes, Burnt Sienna is a warm brown with high tinting strength and a semi-transparent opacity rating A versatile earth tone, it is used in a wide range of painting techniques from masstone to mixes and glazes Each color swatch has been tested for masstone, mixability, lightfastness, drying properties, pigment dispersion and viscosity Truly a professional paint, the majority of our colors are single pigment, and have a lightfast rating of 1-excellent Pre-tested Professional offers artists a modern palette with superior tinting strength and is made in USA