Color Spheres Card

Colour theory diagram (1810) by Philipp Otto Runge. Runge was one of the first colour theorists to incorporate variations in brightness into the colour wheel, creating colour spheres. 

170mm x 120mm (6 3/4" x 4 3/4"). 

Blank inside for a note from you.

Thoughtfully made and packaged with an Individually wrapped in a compostable bag with a 120gsm recycled kraft envelope.

 Printed with vegetable-based inks on a carbon neutral press using responsibly sourced, 300gsm Italian paper.

made in United Kingdom