Tempera Extra Fine Designers Tubo 14ml Sr.1 744-Ocra Gialla | Winsor & Newton

yellow ochre is a warm yellow color. originally derived from naturally occurring iron oxides in the earth, it is one of the oldest pigments used by man. a synthetic version became available in the 1920s. color number 744 permanence aaa permanence extremely permanent lightfastness code io lightfastness excellent opacity opaque series 1 pigment codes py42