What is #Glassmorphism?

#Glassmorphism is a UI design trend featuring frosted-glass aesthetics with blur effects, transparency, and subtle borders. It creates layered depth while maintaining visual hierarchy.

Origins

Popularized in late 2020 on Dribbble and design Twitter, glassmorphism emerged as designers sought alternatives to neumorphism’s accessibility issues. Apple’s Big Sur (macOS 11, November 2020) and iOS 14 incorporated frosted glass effects, validating the trend.

Michal Malewicz (same designer who popularized neumorphism) helped name and define glassmorphism in December 2020.

Visual Characteristics

Core Properties:

• Transparency (background blur)
• Subtle borders (often lighter than background)
• Multi-layered approach (depth through stacking)
• Vivid background colors (gradients, colorful imagery)
• Backdrop-filter CSS for blur effect

Technical Implementation:

background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.2);

Cultural Impact

Industry Adoption:

• Apple: macOS Big Sur, iOS 15 Control Center
• Microsoft: Windows 11 Acrylic material, Mica backgrounds
• Spotify: Playlist headers with glassmorphic overlays
• Web design: Landing pages, dashboards, modal overlays

Why It Succeeded:

• Better accessibility than neumorphism (higher contrast possible)
• Works on light AND dark backgrounds
• Evokes modern, premium feeling
• Technically achievable with CSS (backdrop-filter)

UI Patterns:

• Navigation bars with transparent backgrounds
• Card overlays on colorful backgrounds
• Modal dialogs and pop-ups
• Dashboard panels and widgets

Criticism

Performance Concerns:

• Backdrop-filter is expensive to render
• Can cause lag on lower-end devices
• Battery drain on mobile

Overuse:

• Risk of becoming “2020s skeuomorphism”
• Some implementations sacrifice readability
• Not suitable for all content types

Browser Support:

• backdrop-filter initially Firefox-only flag
• Safari required webkit prefix
• Full support arrived slowly

Legacy

Glassmorphism represents the maturation of flat design. It adds depth and visual interest without abandoning minimalism. Unlike neumorphism, it solved real UI problems (hierarchy, focus, modernity) while maintaining accessibility.

As of 2023, it remains popular in premium apps and operating systems, likely to persist as a staple technique rather than a fleeting trend.

Related: #Neumorphism, #FlatDesign, #UIDesign, #ModernDesign

Sources:

• Michal Malewicz article: http://web.archive.org/web/20250512083113/https://uxdesign.cc/glassmorphism-in-user-interfaces-1f39bb1308c9
• CSS Tricks glassmorphism: https://css-tricks.com/
• Apple Big Sur design: https://www.apple.com/