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to me, in the second picture it is really noticeable, but it is probably like i said, im just imagining it :(
 
What display manufacturer do you have? This is quite common for rMBPs to be a tad bit more yellowish compared to iOS devices. The only exception is the iPhone 5, which seems to be going yellowish tints than bluish tints. If you are really bothered by it than I would request for an exchange/repair.
 
Generally you can change the color settings on TVs/Monitors. You'll often see something like "cooler", which uses bluish and or something with warmer colors (yellow/reds).
 
I think it looks absolutely fine. You can't really compare the iPad and retina MBP displays as they're completely different anyway. Honestly, once you start working on it, it's a better color temperature for your eyes to be working at anyway. These people who are after eye-bleeding whites probably aren't doing their circadian rhythm any favours.
 
I think it's fine. You're not going to be using next to your iPad constantly, so stop comparing. Try using just the rMBP for a while, just doing the things you would usually do. If you stop focusing on it and looking for a problem, I bet you won't even notice it.
 
If the display is uniform, you're good to go.

Consider yourself to be one lucky dude.

It's not yellow, it's just a warmer color temperature and probably FAR more accurate to sRGB colorspace than your iPad.
 
can anyone suggest any other way of calibrating this screen without going though display>colour
 
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