When Windows 10 launched, it was an exercise in compromise—a bridge between the touch-centric future of Windows 8 and the mouse-and-keyboard tradition of Windows 7. It was functional, but often visually inconsistent, suffering from the remnants of the "Metro" era mixed with legacy Win32 aesthetics.
A semi-transparent material that replicates the look of frosted glass. In Windows 11, it is reserved for "light-dismiss" surfaces—temporary elements like context menus, flyouts, and tooltips—to provide a strong contextual link to the content behind them. windows 11 design language
Windows 11 introduced Segoe UI Variable as the new system font, replacing the classic Segoe UI. When Windows 10 launched, it was an exercise
Mica. Mica is a new opaque material introduced in Windows 11. Mica surfaces are subtly tinted with the user's desktop background c... Microsoft Learn Show all Mica: This is the signature opaque material of Windows 11. It subtly tints the background of long-lived windows (like File Explorer or Settings) with the colors of your desktop wallpaper. Because it only samples the wallpaper once, it is highly performance-efficient and helps users identify which window is in focus by receding to a neutral color when inactive. Acrylic: Replicating the look of frosted glass, Acrylic is reserved for "transient" surfaces—things that appear and disappear quickly, such as context menus, flyouts, and search predictions. Smoke: A translucent black layer used to create a clear hierarchy between a main window and a pop-up dialog. Visual Refinements The transition to Windows 11 also introduced subtle but deep changes to how information is presented: Geometry: Sharp right angles were replaced with In Windows 11, it is reserved for "light-dismiss"
: Users who value aesthetics and smooth multitasking; developers targeting modern Windows devices. Not ideal for : Power users reliant on legacy UI customizations or older hardware.
The star of this evolution is a new material called .