You have to have a registered name first.
Then use that to login (open a message on the SB- at the top you'll see login page)
Once logged in, you'll be able to access "user settings"
From there you can change your coloured name.
It's funny. Most of the code was already finished but I never put any energy into finishing it. Now Jazzy has - looks pretty much like I had intended it to. I'm glad it all works now.