I believe the color temperature of the light source itself will affect your perception of white from the paper, as well as the overall color temperature. And if the monitor itself illuminates the paper, all bets are off.
Originally Posted by Tom Daigon
If you aren't actually calibrating the monitor with measurable devices and known signal sources, it's guesswork. That doesn't necessarily mean you can't get close, but it's never going to be 100% accurate this way.



