In the U.K. we also have a lot of detailed nutrition information on the back of the label, and the front-of-pack label is to work as a complement to that. Then somebody in a busy supermarket can see at a glance the key nutrients that are of most concern in the U.K., in terms of over-consumption.
In the work we did over a year ago with 2,500 consumers, we checked how they felt about seeing traffic light colours. Overwhelmingly, it was the colour coding that actually helped them interpret, over the information that was provided for them.