Greeting Card The Standards of Hue

Adapted from a colour theory diagram by chemist and Nobel laureate, Wilhelm Ostwald (1916). Ostwald introduced grey-scale value or brightness into colour theory, influencing Piet Mondrian and the De Stijl movement.

Printed on sustainably sourced, acid free, carbon neutral paper.

170mm x 120mm.

Blank inside.

Individually wrapped in a cellophane sleeve, with a 120gsm recycled envelope.