While my Pixel 2 XL test unit hasn't exhibited any image retention, it does have a noticeable blue hue that overtakes every color,
even at slight angles.
For one, we can see the tint
even at a slight angle on our devices, as you can see in the image above.
Not exact matches
Even looking
at the display straight on, color accuracy varied
at the edges, and from a
slight angle it appeared noticeably dimmer.