Karen Haller is the leading international authority in the field of Behavioural Color & Design Psychology. She believes in using color as a way to connect us back to our authentic self and to use color for positive good and positive change, not only for ourselves but each other and the planet. She is the author of Amazon no. 1 bestseller The Little Book of Colour, How to Use Colour Psychology to Transform Your Life. Available in 14 languages. You can find Karen spreading the colour love over on Instagram.