Here's a override version of one of the EP06 hats that had a shadow that covered the eye texture on the UV0 , making the eyes appear darker (see pics) once you put the hat on a sim. I've waited for forever for EA to fix it themselves but i guess we can conclude thats never going to happen.
 
I've also joined Patreon! Optional, my CC stays free and will be released here once Early Access is over.