- The pinnacle of app design - Dark Mode. Since we are all aspiring young developers, most of us zoomers even, we just can't stand to stare at white elements on our 1000nits HDR10+ 4K OLED monitors, because they burn right through our fragile retinae. So, what you will have to do at some point is make your App dark mode compatible. How you do that, you might ask? Well, to put it simply, you define colors that dynamically change if the user has its appearance set to Light or Dark. If you want to learn about how the great developers at Apple created dark mode, here's this really cool presentation from WWDC19