Enemy nameplate colour
 

What adjustments to the nameplates are possible?

Is it possible to adjust the nameplate colouring (not the target window / custom target window)
Can anything be added or adjusted other than the font as per Advanced Nameplates?

Nameplates cannot be touched by addons as they are rendered in the 3d world instead of being UI elements.

Just for the next try, try the forum search. "Nameplate" would have showed you everything you wanted to know in 1 second :D
https://www.esoui.com/forums/search....archid=1511185