"This idea occurred to the manufacturers of Casa Ceramica tiles, Manchester, UK, when they were looking for a way to get users to pay attention to their products. The owner of Casa Ceramica Duncan Cook said that in this way they wanted to show what tiles are capable of using it correctly."
It's not paint. This is result of precisely placed tiles, set into tiling "mud".
And a ton of design and tile cutting/casting I'm gonna guess.
As the exit to a bar, this might be worth a good laugh.
And maybe a lawsuit or two...