Is this a dead pixel?

So, after the recall I was able to get my replacement Note 7 on 9/22. However, I noticed over the weekend a weird dot on my screen that will not go away!
It's a discolored pixel that looks light blue-ish/white and can be seen on all screens and pages. I know dead pixels are usually black so i'm wondering if anyone could help me with what this is? Maybe a hot pixel since it's almost a white color?
I've already called T-Mobile and requested a replacement so I should be getting a new one soon. I was just curious as I have not seen this before.

I've attached a picture of the screen but it's difficult to see. In person, it's very noticeable.

Thanks ahead of time,

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