Exchange it. New means no scratches or ‘lines’ in oleophobic coating.Not yellow tint, but a different screen issue here.
Just opened mine. First thing I notice after peeling off the factory protective film is a small, 1/3rd inch, horizontal scratch near the middle of the screen towards the right side of the screen. Only noticeable when light glares off of the screen and invisible once a screen protector is applied.
I think the screen should be perfect when paying $1500+ for a phone, but I'm tired of exchanging things for small cosmetic defects like this. Plus none of the stores around me have any in-stock anyway to do an exchange...