colours

Earlier I was playing with friends in a party until suddenly one of them managed to type in blue, he then even managed to type in red, anyone knows how? Or is it just a glitch?

Hey, cubecrafters! The Minecraft 1.12 update made it possible to make worlds more colourful, by adding more colours to the game; because everyone likes colours, especially, coloured text! But, on the forums, the available colours for the texts are sooo limited, and the way to add more colours is...