Jennifer Sheahan: Undertones are key to perfect paint colours

Before you grab a paintbrush, read the Home of the Year winner's guide to a palette that will make every room sing

Subtle by Colourtrend has both brown and grey undertones, which works everywhere, says Jennifer. It's shown here in her living area. Picture: Moya Nolan

You'd think choosing a paint colour would be straightforward, but I have bad news for you. The main colour is only part of the equation — what really makes the perfect palette is understanding undertones.

Undertones are the reason why there are so many different shades of white, for example, and are important to understand before making your final colour selections for your home.