https://forums.windowscentral.com/threads/is-high-contrast-mode-on-ips-lcd-screens-battery-efficient.332701/
Is High Contrast mode on IPS LCD screens battery efficient? | Windows Central Forum
I've read that turning on high contrast mode on phones with AMOLED screens saves battery.. Buy does it similarly save much battery on Lumias with IPS LCD...
high contrast mode
https://www.tempertemper.net/blog/windows-high-contrast-mode-and-focus-outlines
Windows high contrast mode and focus outlines or: My focus indicators were inaccessible –...
In order to make my website’s keyboard focus outlines pretty in Safari, I inadvertently broke things for people who use Windows High Contrast Mode.
windows high contrast mode