Skolten, I was using the EQSanctum MOD Pack which has the Skolten Flat HAM UI but I had to uninstall due to issues with the color blue on the mind not reflecting properly.
I died more than once because it appeared that the mind was full when in reality it was all the way down.
I play at a refresh rate of 60 hz on a resolution 3840x2160 in my 55" TV.
Interestingly... I was playing in the EMU with the same MOD Pack installed and I don't recall ever having issues.
As a means to remedy the issue, is it possible to have the background color of the HAM to either: