No issues here.
I would exchange immediately if it were PINK though!
Samsung had lots of pink AMOLED panels in the s8 days. The S9+ and Note9 don't suffer from that.
If the white point is off first thing I'd check is true tone.
On my Max if I disable true tone it definitely shifts blue-ish.
Of course that depends where you are. In a room with blue lights for growth, for example, true tone enabled will actually look blue compared it being off!