Well ~ this is the first.
Actually a started a thread asking the same thing when I first got mine.
I was actually asking if since the screen is not amoled if brighter colors helped with battery life. amoled uses less battery for darker colors since it uses power to produce color and the lighter the more it uses whereas lcd uses more power to produce darker colors by the way it produces them.
What I was told in the thread was that neither darker nor lighter wallpaper and app themes (kindle, keeper as examples) make a negligible difference on the Ipad. This is not the case on my phone. Darker makes a very negligible difference. I use darker themes on as many apps as possible because of the amoled screen.
Since I was new to the Ipad I was looking to head off any battery wasting I could do . I have since found the only thing that makes a negligible difference on the screen battery usage is screen brightness.
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