Does usage of black backgrounds on webpages really helps in saving energy?

StackOverflow https://stackoverflow.com/questions/12037649

  •  27-06-2021
  •  | 
  •  

Question

Does the use of a black background like Blackle proclaims, really save energy for Google searches?

Was it helpful?

Solution

Only on CRTs. LCDs have a backlight which is always on, even if black is being shown.

Blackle themselves show this table:

Variation in Monitor On Power for selected Monitors (conclusion is LCD is not important, CRT makes a difference if up to 188% more power usage for white rather than black. Minimum difference is 118% more.

Licensed under: CC-BY-SA with attribution
Not affiliated with StackOverflow
scroll top