How to fix Blue Hue problem?

Could it have to do with colour profiles?

Mac OS X - Create custom colour profile

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I have the same problem. What i always do is logout then re-login to get rid of the "blue hue". I don't think there's a permanent solution to this

 

I recently bought a new 2012 non retina mbp 2.6 with an lg display that does the very same thing. It's annoying and actually made me realize that this display isn't as good as the late-2011 I had before this.

This newer display/refresh/whatever the cause me be doesn't have that same crisp clear don't have to mess with profiles look. I don't know if I should goto the apple store and try and have it replaced (they've always been really uncooperative with replacements and repairs with my iPhone).

Does anyone know what the apple stores standard is for issuing replacements and repairs for the mbp display is so I don't have to go though the whole parade of "that's normal and to be expected regardless of the fact that every model we have on display here doesn't have that issue"

 

When it changes to the blue cast you should go reselect your color profile. I have had instances in the past where my color profile would go on and off. I never thought to associate it with the GPU switching, but that is very well what it could have been.

Instead of logging out and back in next time, maybe try opening the display prefs and unselecting and then reselecting the color profile you run day to day.