This isn't just an issue with that single NPC. It's an issue on every character model, even player made.
For example, my favorite skin tone for castanics is a lighter tone, but it refuses it to actually make the face color that lighter tone...the face is noticeably darker than the rest of the body (which displays the proper tone chosen at character create).
Here's an example...
It's highly unappealing and completely misadvertising compared to what is seen when choosing this skin tone in the character creator...which is...
These and other things are part of a list of irritants I have with TERA lately.