Examples
Apple has created some software design languages. Since 1997, the Platinum design language was used for Mac OS 8 and 9 and emphasized various shades of gray. From 2000 onwards, the Aqua design language was introduced with Mac OS X 10.0 and emphasized flatter interface elements and liberal use of reflection effects and transparency.[11][12] Brushed metal, first used in 1999, was intended for programs such as QuickTime Player that mimic the operation or interface of common devices. In June 2025 during WWDC 2025, Apple introduced a new unified design language known as Liquid Glass across Apple platforms featuring optical properties of glass with a sense of fluidity.[13]
Microsoft has used the Aero design language for Windows Vista and Windows 7 which appeared in 2006. The Aero design language used semitransparent glass like window borders as a distinctive feature. The Metro design language focused on simplified icons, absence of clutter and basic shapes. Metro was used in many Microsoft products including Windows 8, Windows Phone 7, the Xbox 360 and Xbox One.[14][15] The Fluent Design System was developed as a revamp of Metro in 2017, and used more motion, depth and translucency effects.[16]
Google developed Material Design in 2014 which emphasizes smooth responsive animations and transitions, padding and depth using lighting and shadows. Many of Google's products have implemented Material Design including Android, Android applications and web applications.[17]
Flat design is a design language and style that simplifies elements and colours.[18] It has influenced user interface design in Microsoft's Zune, Android starting with Android 4.0,[19] iOS 7[20] and OS X Yosemite.[21]
In 2021, the GNOME Project expanded its focus of Adwaita to allow it to prosper as a design language for GNOME.[22]