Last year, he announced plans to classify the performance of English hospital trusts using a simple traffic-light system of green, amber and red.

ECONOMIST: Hospitals

But correspondents say it was the measure to stop driving through red and amber lights that went down badly with motorists.

BBC: Busy road in Beijing (file image)

It now allows users to explore their personal style through an expanded collection of new colors that take their inspiration from nature: Amber Brown, Garnet Red, Sapphire Black and Titanium Grey.

ENGADGET: Samsung's Galaxy S III crosses 30 million sold (Update: More stats!)