From 4 eye specialists . . . All say that eggshell background is the best. Not black Not dark Not stark white but eggshell
Actually that could not be more wrong. While it may feel like black is nice, it actually causes your eyes to intensely strain. ProfLogic has it right. I too spoke to a few eye doc's and they said the same thing.
Agree, I actually use the gray tone for my computer background but prefer black on my chart pages, its better contrast for my bars and indicators!
I found "Pool table felt green" is a great chart background color for my night time trading when I have my office lights dim. Pool table felt green is just right....not too dark and also not too bright. My daytime screen background coloring is a lightish blue/gray color which I find works great for my needs.