[kalium-xyz]

I personally do the opposite and use high contrast mode plus low brightness to safe battery on my non adaptive backlight lcd laptop.

It also doesnt make any sense to do this considering brightness is relative. If im wrong about this please show me how.

[mjevans]

Kind of; the human eye shifts to adjust for the quantity of light. The ambient lighting in the environment also matters too; both for cameras and eyes. Perception matters.

http://camera-wiki.org/wiki/White_balance

https://en.wikipedia.org/wiki/Color_balance