Ah, the mystery is solved!

So I kept seeing people put their name or id in ther journal using a color, and finally found out how they were doing it. Replace square brackets with LT/GT signs in the following:

[font size=7 color=your user name]your user name[/font]

minikin

Ohmigosh, Black!

sysdeb

Blue is better.

Deb

I detect a theme.