UpsetChaps Quake3 Guide - How do I get colours in my name?

This is explained in the Console Commands section, you can colour the letters in your name by using ^ followed by a value from 1 to 7, to get black letters in your name use ^^0

set name ^1C^2o^3l^4o^5u^6r^7s

When typed at the console or added to your config will show your name as:

Colours