I can't get the username color to change, only the color of the title. I am trying to allow the title to be hidden and the Name to just change colors, so instead of it saying for example [gold]Ninja it will just say Ninja in gold. 
Example of my config, I tried it 2 ways. When I can get the title to hide, but when I did that, it just hid all of my player challenge titles even though I never reset them.

Moderator edit: Please use code blocks for posting config files.