Farbenlehre

1930. HAENZI, Erich. Farbenlehre. 23 Original watercolour plates, some with multiple images. Folio, 340 x 240 mm., original cloth. N.p.: n.d., ca. 1930. A wonderfully executed manuscript on colour theory by a Swiss commercial artist whose objective was to enhance the work of decorators, fashion designers, graphic artists and set designers. Divided into ten sections comprising colour and achromatic antagonism, colour values, light-dark antagonism, cold-warm antagonism, quality contrast, intensity contrast, quantity contrast, complementary contrast, simultaneous contrast and successive contrast. According to the seller, the work is by a Swiss commercial artist named Erich Haenzi.