Colour Wheels Card

Adapted from colour theory diagrams 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.

5in x 7in.

Blank inside.

Individually wrapped in a compostable bag, with a 120gsm recycled envelope.