☀️ People hate blaring brightness in specific situations
🎨 Aesthetic preference was a valid user motivation
🔋 Battery saving in OLED screens with 100% black
🚫 Actionable messages broke in Outlook dark mode
We heard from a bunch of users that in certain situations like lying in bed with the lights off or in an airplane when the lights are dimmed down, using light mode felt too bright and blaring.
Dark Mode saves a very little amount of battery in OLED screens when you use 100% black in parts of the design. Our designs were based on a black base, to enable this. However battery saving was not our primary goal while building dark mode.
WHY DARK MODE SUPPORT IS IMPORTANT
Some users do have a strong aesthetic preference for dark mode vs light mode and we wanted to give our users the power to choose what they wanted.
With the Outlook mobile app in dark mode, actionable messages started rendering in a broken manner in the email canvas. This was the primary trigger to build dark mode for actionable messages.