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

Have you ever tried to darken a red watercolor—only to end up with a muddy brown mess? You’re not alone! Deepening red is one of the most common challenges watercolor artists face, especially when working with pigments like Cadmium Red Deep Hue. But with the right color-mixing strategy, you can create beautifully rich, dark, dramatic reds without losing vibrancy.