XF 1.5 Username Colors

So basically, I have different user groups which offer different name colors throughout my forum.

My name is a shading of different colors.

I'm wanting that to show across my entire website.
It works with my chat addon

But it won't work on the sidebar, nor Member Card.

Does anyone have any ideas on how to fix this?
I believe both of the places the color isn't showing is XenForo but I am running the UI.X Dark theme.