On OLED displays, black pixels are effectively "off," consuming zero power. "Dark Mode" changes the system UI to use true black (#000000) or dark gray (#121212), which significantly reduces the display panel's current draw compared to white backgrounds.26
Micro-Blog Draft:
Title: Why Dark Mode Saves Battery (And How to Schedule It)
The Problem: White screens drain battery faster on modern phones.
The Fix: Use Dark Mode to turn off pixels and save power.
Step-by-Step Guide:
Go to Settings > Display.
Toggle Dark theme to On.
For a "set it and forget it" setup, tap Schedule > Sunset to sunrise.
Your phone will automatically switch to power-saving dark mode at night.26