Definition of "colourful"

It was a colourful vase with red and white hoops on the lid, and red bands above and below the main frieze. These bands also carry a metope pattern in white of triple lines and blobs, which can just be distinguished on the photographs.

1895, The Annual of the British School at Athens

And Netherlands, backed by a typically noisy and colourful travelling support, started the second period in blistering fashion and could have had four goals within 10 minutes

2012 June 9, Owen Phillips, “Euro 2012: Netherlands 0-1 Denmark”, in BBC Sport‎

One of the most colourful people in motor racing, he writes in a colourful manner.

1895, H. Walter Staner, Henry Sturmey, The Autocar

Hussain celebrated reaching his ton with a gesture towards the media centre, pointing to the number three on the back of his shirt and offering some colourful language.

2002, news.bbc.co.uk