White, because it cuts down the glare from pinpoint light sources. It is better for (old) eyes that need corrective lenses.
Dennis On May 3, 2009, at 11:30 PM, tradinghumble wrote: > I normally use white as background but recently noticed that by > using black I focus a lot more on individual bars where as with the > white background I tend to look more at the patterns... > > do you have similar experience? What color do you use?
