These eBooks are complete step-by-step guides for identifying neutrals and whites in your home, choosing a colour palette for your decorating, and how to test paint colours properly. They are included in the Killam Colour System (above) or when you purchase any set of large painted colour board samples.
The eBooks are also helpful for understanding how to use the neutral colour wheel.
Colour Board Paint Samples
If you want to narrow down your paint colours for any project, you need a curated collection of the best paint colour samples for your home.
For designer-approved ideas on how to store your large painted colour boards, check out THIS LINK.