Celebrate the beauty of colour with this striking greetings card, featuring a replica of the colour wheel from Philipp Otto Runge’s 1810 studies into colour theory. Known for his pioneering work in the relationships between colours, Runge’s vibrant colour wheel is a fascinating representation of harmony and balance. Printed on fully recyclable FSC-certified card and accompanied by a kraft paper envelope, this card is a unique and thoughtful way to brighten someone’s day. Perfect for anyone who appreciates art, design, and the science of colour.