Farecast, the online price-prediction service, hired applied psychologists to design the site's charts and colour schemes.

It is an item that is going to pop up quite a bit at his weekly meetings, peppered as they are with hundreds of colour-coded charts designed to reveal the true state of Ford’s business.

Introducing a standard 12-colour palette, the author shows how to select and mix 132 new colours, using at-a-glance mixing charts.