Why Apple should add a 'dark mode' for iOS 13 and all of its apps
We now have proof that apps drain less of your phone's battery life when they use darker colors, like black and gray.
At a recent Android Dev Summit session (via SlashGear), Google revealed what we've long suspected: the colors used within apps have a direct impact on smartphone battery life, and white or brighter colors are a bigger drain.
Using an original Pixel phone, Google tested various ways the phone was draining battery life. Brightness was of course one of the most obvious factors; everyone knows that the brighter you set the screen to, the faster your battery depletes. Read more...More about Mobile, Iphone, Android, Ios, and Dark Mode
from Mashable http://bit.ly/2FgVw5V