Glassmorphism
background: rgba(255, 255, 255, 0.2); backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 16px;
Blur16px
Background opacity20%
Saturate180%
Border opacity20%
Radius16px
How to use
01
Tune blur and saturation
The Blur slider runs to 40px and Saturate to 300%. Higher saturation makes the colors behind the panel glow through the frost, which is what sells the glass look.
02
Set transparency and the border
Background opacity controls the white tint, Border opacity controls the 1px edge highlight, and Radius rounds corners up to 64px. Judge everything against the gradient preview.
03
Copy the five-line block
The output includes background, backdrop-filter, its -webkit- prefixed twin for Safari, border, and border-radius. Copy it and drop it onto any element layered over content.
Why CSS Glassmorphism Generator
- Build frosted-glass effects with live preview against a colorful background.
- Adjustable blur, saturation, transparency, border, and radius.
- Includes -webkit- prefix for Safari support.
Common questions
Why does my glassmorphism panel look plain white on my site?
backdrop-filter can only frost what sits behind the element, so over a flat single-color page there's nothing to blur. Place the panel above a gradient, photo, or colored shapes, and keep the panel's own background semi-transparent, not solid.
How much blur should a glassmorphism effect use?
Between 10 and 20px covers most real designs, and this tool defaults to 16px. Below 8px the content behind stays distractingly legible; at 40px you get heavy frost that reads almost like a solid surface. Pick based on how busy the backdrop is.
Does glassmorphism work in every browser?
backdrop-filter is supported in current Chrome, Edge, Safari, and Firefox, and this generator includes the -webkit-backdrop-filter line older Safari versions require. For anything without support, set a more opaque fallback background first so the panel stays readable when the blur never happens.
Is text readable on a frosted glass panel?
Not automatically, and that's the biggest accessibility risk with this effect. Because the panel is translucent, its effective contrast changes with whatever scrolls behind it. Raise Background opacity, add a tint, and verify your text against both the lightest and darkest possible backdrop with the Color Contrast Checker.
Can I use this glassmorphism css generator for dark themes?
Yes, with one edit. The output uses white rgba values, which give bright glass; for dark glass, change rgba(255, 255, 255, ...) to rgba(0, 0, 0, ...) in the background line after copying. Keep the backdrop-filter values exactly as generated.
What does the Saturate slider add to the glass effect?
It boosts the color intensity of everything blurred behind the panel; the default is 180%. Without it, blurred backdrops trend gray and the panel looks milky instead of glassy. It's the difference between frosted glass and tracing paper.
Why do glass panels need that one-pixel border?
The semi-transparent white border fakes the lit edge you'd see on real glass, and it visually separates the panel from a backdrop that shares similar colors. Keep Border opacity subtle, around 20 to 30 percent, or the edge starts to look like a hard frame.