white on black text. — Typophile archive

G T20 July 2007 · 02:44

Good day everybody,

A friend of mine forwarded me something saying that a black screen saves more energy, and if google were to have their main page as white on black, it would save ’750 mega watts/hour per year’.

see here: http://www.blackle.com/

I was wondering if anyone knows of any research regarding it being easier to read text on screen in white-on-black rather than black-on-white?

Graham

Jason Pagura20 July 2007 · 02:58

The energy savings would only occur on cathode ray tube monitors, and possibly plasma panels. LCD monitors are illuminated behind their entire matrix of what are essentially tiny shutters. In that case a black screen would use more energy, as pow