How to: Change Palette Colours inside the edit chart screen.
You are editing your chart and realise you need to change the colours within this chart, this guide will explain how to do this.
Step 1: Select the colour you wish to edit, the pencil icon shows you which colour is currently selected.
Then tap the colour a second time to open the colour picker window.
From here you can either choose a new colour using the colour wheel, or as an alternative tap the camera icon 
to open up the camera to photograph your yarn.
