It is thought to have a blue white glow that the front lit displays that will be easy on the eyes and be a firm departure from LCD which burn your eyes. (goodereader.com)
I am wearing my ballet tights here, by the way I just love their pearl white glow and found them the perfect match to this look. (thefashionrose.com)
On each side of the home button are the menu and back keys, which have a soft white glow during use. (techwelike.com)