Glassmorphism Generator

The glassmorphism generator writes a complete CSS snippet for a frosted glass panel — tinted translucent fill, backdrop blur and a hairline highlight border — from four controls.

What is Glassmorphism Generator?

• The glassmorphism generator has four controls: a Backdrop colour that sets what sits behind the glass, and a Glass tint that sets what the panel is made of.
• Opacity, from zero to a hundred percent, controls how much of the backdrop shows through; blur, from zero to sixty pixels, controls how much it is smeared.
• The preview shows exactly that — the backdrop filling the panel with a floating glass tile inset inside it — and the CSS card underneath carries the finished block with a copy button.

The emitted snippet is five declarations, and each one is doing a specific job. A background declaration, then backdrop-filter with the blur, then the same backdrop-filter repeated with the -webkit- prefix, then a one-pixel border of translucent white, then a sixteen pixel border radius. Copy takes all five together, so the effect carries across as a unit rather than as values to reassemble.

The background declaration is the first thing worth understanding, because it is not quite what it appears. The tint colour is not written as an rgba() value with the opacity as the fourth argument; instead the opacity percentage is converted to a two-digit hex value and appended to the tint, producing an eight-digit hex where the last two digits are alpha. Twenty percent opacity becomes a round thirty-three out of two hundred and fifty-five, which is twenty-one in hex, so a white tint at twenty percent comes out as an eight-digit value ending in twenty-one. The colour is rendered identically either way, and the hex form keeps the tint as a single token that is easy to swap.

The webkit line exists because backdrop blur was prefixed for a long time and some rendering engines still honour the older form; emitting both costs one line and removes a class of cross-browser surprise. The border and radius, by contrast, are fixed rather than adjustable — a hairline translucent white edge and sixteen pixels of corner rounding. Those two details do more for the effect than most people expect, because a glass panel with a hard edge and square corners reads as a translucent rectangle instead of a pane.

• Blur does the heavy lifting: a soft backdrop makes the panel read as glass, while a sharp one leaves it looking like tinted film.
• Opacity decides how much of the underlying content remains visible, and the honest trade is legibility — the more that shows through, the harder text on the panel is to read, and no amount of blur fixes a contrast problem.
• Checking text against its real composite backing rather than against the tint alone is the step people skip.

Two limits are worth naming. Because the tint is written as a hex with alpha, this is a hex-based tool; if your workflow needs rgba(), convert the value after copying. And there is no second layer, no inner shadow and no text treatment here, so a full glassmorphism css treatment for a card usually means combining this snippet with your own typography and elevation rules. As a source of the base frosted glass css recipe — a reliable glass effect css block of tinted fill, backdrop blur and hairline edge — this is the shortest route, and the css backdrop blur glass values are the part almost everyone gets subtly wrong by hand.

How to use Glassmorphism Generator

1. Set the Backdrop colour to match what will sit behind the glass.
2. Choose the Glass tint and adjust Opacity until the amount showing through feels right.
3. Raise Blur until the backdrop softens; check that text on the panel still reads.
4. Copy the block — the tint, blur, prefixed blur, hairline border and radius all come with it.

When to use Glassmorphism Generator vs related tools

Use this when a panel needs to sit over imagery or a gradient as translucent glass — navigation bars, overlay cards, modal headers. Use the neumorphism generator when the surface should be opaque and shaped by light rather than transparency. Where the panel's own border and inner highlight matter as much as the blur, the frosted glass generator treats them as first-class parts of the recipe, and a shadow that belongs to the surface underneath is what the shadow color generator derives.

Privacy & Security

This tool runs entirely in your browser — no data ever leaves your device. There is no server round-trip, no upload, no logging, and no account required. Your input is processed locally using client-side JavaScript and is never stored, transmitted, or accessible to anyone else. When you close the tab, everything disappears.

Frequently asked questions about Glassmorphism Generator