Support and General Use > Theming and Appearance Customization

Backdrops & battery life

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elborak:
Backlight power consumption doesn't change with color. Only with brightness and duty cycle.

safetydan:
It's pretty simple. The color of the LCD has a very, very tiny effect on the amount of battery used. So tiny that it's not worth worrying about. So use whatever background color or image you want.

If you're concerned about preserving battery life, don't worry about the background color, worry about the use of the backlight. Keep that to a minimum.

Edit:

Ah now that Llorean has replied I understand where your confusion comes from. Read his post.

Llorean:
Backlight is either On or Off, it is NOT different for every pixel.

If you have every pixel "Black" and you press a button that lights the backlight, it doesn't mean that the backlight doesn't turn on, it just means that you don't see it as much because there are black things between you and it.

Think of it like someone turning on a flashlight then holding up fingers to make shadow puppets: Whether they make the shadows or not, the flashlight is still putting out just as much light.

falkeid:
OK, I got it thanks.

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