How to mix sky blue

A light cerulean, mixed from four paints: Titanium White, Lemon Yellow, Ultramarine Blue and Phthalo Blue.

The recipe

Drag a bar to change how much of that paint goes in, and watch the colour change at the top.

Titanium WhitePW655 parts80%

Lemon YellowPY31 part1%

Ultramarine BluePB2910 parts15%

Phthalo BluePB153 parts4%

Parts are a ratio: a drop, a spoonful, whatever suits the amount you need.

Value7 / 10

TemperatureCool

Leans towards blue, so it recedes. Good for shadow and distance.

AcrylicDries a little darker

Mix it a touch lighter than you want it.

Mix tipColour into white

Start with the white and add the colour a little at a time.

The library and every recipe here are mixed from just these.

PY35Cadmium Yellow

PY3Lemon Yellow

PR108Cadmium Red

PR122Quinacridone Magenta

PB29Ultramarine Blue

PB15Phthalo Blue

PW6Titanium White