@selfcare An addendum for this tip -- recent Android major releases have this built in! To use it, go to the Settings app, Display, and click on Night Light.
@clarjon1@selfcareAnother addendum: on LineageOS 16 (vanilla Android 9) it appears to be called LiveDisplay.
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!