Aww she is lovely.
It is hard to tell, and sometimes they can be a "bad" standard of that colour. Different moults and lights and computer screens can also make it tricky!
She may be a RE ivory but her ears seem more pink than the pinkish grey.
Red Eyed Ivory
smoke pearl has cheek flashes so deff not that
Smoke Pearl
I am no expert at all but she is lovely no matter what she is!