Photography Blog has a great article giving a great digital photography tip on color accuracy for digital photographs.
'If you think color integrity doesn’t matter much, you might think you can stop reading now . . . but think twice about that. The reality is that anyone sharing photos, charts, graphs, or other images electronically can run into situations where what looks like the perfect shade of teal on your screen comes across as eyeball-bursting blue to your colleagues, friends and relatives.'