The article 'The three colours of Ibiza' was published in partnership with Lonely Planet Magazine.

BBC: The three colours of Ibiza

The free Who Is It app customises this functionality further, so the light blinks in one of three colours for up to three different people.

BBC: Managing e-mail while on the road

If you like sleek, minimalist hotel design, you will love the 156-room, five-star Sofitel Vienna Stephansdom, where rooms are decorated entirely in just three colours: white, grey or black.

BBC: Business trip: Vienna

He added that the official funeral attended by foreign heads of state would take place at 10:00 local time (14:30 GMT) on Friday, and called on Mr Chavez's supporters to wear clothes in the three colours of the Venezuelan flag in his honour.

BBC: Iconic Venezuelan president Hugo Chavez dies

By selecting fluorescent proteins in three primary colours they made pictures of parts of mouse brains in which the individual nerve cells glow in all colours of the rainbow, depending on the mixture of proteins within.

ECONOMIST: The 2008 Nobel science prizes

Three of these settings correspond to the primary colours red, green and blue, from which all other colours can be constructed.

ECONOMIST: Displays: The fluttering of tiny pixels | The

The logo, which represents the World Cup trophy, is created by three linked hands in Brazil's national colours of yellow and green.

BBC: Brazil unveil logo for 2014 World Cup finals

Using on-street bike lanes and off-street bike trails, three routes through the New England city are perfect for peeping its autumnal colours.

BBC: In Boston, leaf peeping by bike

Three people dressed as Star Wars Stormtrooper characters led the funeral procession and 200 balloons in Alex's favourite colours, orange and green, were released when the cortege arrived, Rev Leese said.

BBC: Hundreds attend Epworth boy Alexander Strong's funeral