Understanding how complementary colours interact is one of the most powerful skills in watercolour painting. In this tutorial, we explore how Cadmium Orange (Winsor & Newton) behaves when mixed with different blues - Cerulean, Ultramarine, Cobalt, Prussian Blue, Intense Blue, and Indigo. Download Colour mixing chart here If you've ever wondered: How to mute bright orange How to mix natural browns in watercolor How to create deep greens using complements How to mix black with