How to mix Cerulean Blue in watercolour
A soft, opaque sky blue. Slightly green-leaning and calm. This guide gives you the pigment ratios that land on #3A78A5 in watercolour, using the same solver that powers the Chromilla mixer.
Target
Cerulean Blue
#3A78A5
Mixed result
From these pigments
#3C6378
Pigment recipe
Ratios calibrated for watercolour. Start with the dominant pigment, add the modifiers in the order below, and adjust in 5% steps to your target swatch.
1. Viridian Green
PG18
88%2. Ultramarine Blue
PB29
12%
Get this recipe for your paint brand
Open the live mixer with Cerulean Blue + watercolour pre-loaded and calibrate to your tubes.
Related mixing guides
Pigment mixing is subtractive — small ratio changes matter. The mixer refines this recipe to your brand and updates on the fly.