CSS Glassmorphism Generator
Create beautiful glassmorphism and neumorphism CSS effects with a visual editor. Adjust blur, opacity, shadows, and border radius — then copy the code instantly.
How to Use the Glassmorphism Generator
- Choose a style — Toggle between Glassmorphism (frosted glass) or Neumorphism (soft UI) mode.
- Adjust the controls — Set blur amount, transparency, border radius, shadow distance, and color using the sliders.
- Preview in real-time — See the effect applied instantly on a colorful gradient background.
- Copy the CSS — Click "Copy CSS" to grab the generated code for your project.
Glassmorphism vs Neumorphism: What's the Difference?
Glassmorphism is defined by its translucent, frosted-glass appearance. It uses a semi-transparent background with backdrop-filter blur to create the illusion of tinted glass. The effect requires two visual layers: a colorful background behind the glass element, and the glass element itself with a subtle border and shadow to define its edges. Glassmorphism works best on dashboard cards, overlay modals, navigation panels, and hero section content blocks where the background gradient or image is visible through the glass.
Neumorphism (also called soft UI) takes a different approach. Rather than transparency, it creates the illusion of extruded or inset shapes using dual shadows — a light shadow offset in one direction and a dark shadow offset in the opposite direction. This creates a soft, embossed appearance that mimics real-world materials like molded plastic or pressed paper. Neumorphism is most effective on UI components like buttons, toggle switches, cards, and input fields where the raised or pressed state communicates interactivity.
Both styles can be combined in the same design system — use glassmorphism for containers and overlays, and neumorphism for interactive elements like buttons and toggles. The key is maintaining consistent lighting direction and color harmony across all elements for a cohesive user interface.
Best Practices for Glassmorphism in Web Design
Glassmorphism works best when the background behind the glass element has high visual contrast — use vibrant gradients, abstract patterns, or photography with distinct color zones. The glass effect relies on the viewer being able to see the background through the blur; a plain solid background eliminates the illusion entirely. For optimal readability of text inside glass panels, ensure the blur is strong enough (8-20px) and the background opacity is low enough (0.1-0.3) to create sufficient contrast with the content behind it.
Accessibility is an important consideration with glassmorphism. Text placed inside glass panels can be difficult to read if the blur is too light or the background colors are too similar. Always test glass panels with actual content at various viewport sizes, and consider adding a subtle text shadow or slightly reducing the transparency for panels that contain important text. The border property on glass elements — typically a thin semi-transparent white border — helps define the panel's edges and improves the visual separation from the background.
Frequently Asked Questions
Does backdrop-filter work in all browsers?
backdrop-filter is supported in all modern browsers including Chrome, Firefox, Safari, and Edge. Safari was the first to support it and still offers the smoothest performance. For older browsers, the glass effect gracefully degrades to a semi-transparent background with no blur, so your layout and content remain accessible.
Can I use glassmorphism on dark backgrounds?
Yes. For dark backgrounds, use a lighter tinted overlay (white with 0.05-0.15 opacity) and a slightly stronger blur. The border should be a subtle white or light gray at very low opacity. The effect works differently on dark vs light backgrounds but can be equally striking.
What's the difference between glassmorphism and neumorphism?
Glassmorphism uses backdrop-filter blur and transparency to create a frosted glass look. Neumorphism uses dual box-shadows (light + dark) on opaque backgrounds to create a soft 3D extruded or inset appearance. They serve different design purposes but can complement each other in the same interface.
What is the best border radius for glassmorphism?
Glassmorphism elements typically look best with a border radius between 8px and 20px. The rounded corners reinforce the glass-like appearance by mimicking the smooth edges of physical glass objects. Neumorphism elements often use slightly smaller radii (6px-12px) to maintain the soft, molded plastic look.
Is glassmorphism good for accessibility?
Glassmorphism can present accessibility challenges because the translucent effect reduces contrast between text and background. To maintain readability, keep background opacity above 0.15, blur above 10px, and consider adding a subtle text shadow to improve contrast for users with visual impairments. Always test with actual content.