Noticed my chat only shows names in green instead of class color like it does in the addon screenshot here:

Mine just looks like this:

I have "Color Names Everywhere" in PlayerNames/Chat formatting setting and also tried the console command /console SET chatClassColorOverride "0" but still shows as green when you type player names :/

Any ideas what could cause that?

This behaviour only applies to the current character's name and is caused by this option being on: