- Semantic colors. System provided. Primary, secondary, etc. Backgrounds. Easier to support dark mode. 4.5 min contrast ratio.
- Base, elevated colors.
- 4 materials for card background, thick/regular/thin/ultrathin. Vibrancy support.
- SF Symbols. Weights. Vector based. Mac app.
- Modal presentation card. New default. Use when “mode” changes, like calendar presenting a Create Event controller from the main list of events.
- Contextual menus for any view element. Use them for everything, so users can build their expectation of contextual menus, like on macOS elements.
Jun 22, 2019