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Measured entry

fancy-animated-gradient-with-svg

background-effectaurora-meshmotion on file

A client-side React background effect that renders colored SVG circles, sizes them from a debounced dimensions hook, and animates randomized positions through supplied theme keyframes. It ships as a shadcn registry item and relies on Tailwind utility classes, the registry hook, and the usual cn utility alias.

Specimen
Motion capture of the mounted demo, recorded by the harness. No audio track.
Harness screenshot of fancy-animated-gradient-with-svg at 375 pixels wide
Harness screenshot at 375 pixels wide. This viewport scrolled sideways.
Harness screenshot of fancy-animated-gradient-with-svg at 768 pixels wide
Harness screenshot at 768 pixels wide. No horizontal overflow recorded.
Harness screenshot of fancy-animated-gradient-with-svg at 1440 pixels wide
Harness screenshot at 1440 pixels wide. No horizontal overflow recorded.

Measured

Every value below was written by the harness on the run that produced the frames above. None of it is derived from the prose.

Harness measurements recorded for fancy-animated-gradient-with-svg
BuildOK
MountOK
Console errors0
Uncaught page errors0
Horizontal overflowflagged at 375
Axe critical0
Axe serious0
Axe moderate0
Axe minor0
Gzip marginal27.0 KB (92.4 KB build, 65.4 KB baseline)
Bare modeFAIL
Provider requiredNO
Demo usedwritten from the component source API

What the harness recorded

BARE BUILD

✗ Build failed in 29.86s
error during build:
[vite:load-fallback] Could not load <sandbox>/src/lib/utils (imported by src/cut/fancy/background/animated-gradient-with-svg.tsx): ENOENT: no such file or directory, open '<sandbox>/src/lib/utils'

Verdict

A flexible decorative layer for projects already aligned with its conventions. It builds and mounts in the configured harness, but it needs a shadcn-style setup and is not a bare-project drop-in. Address narrow-screen containment and motion preferences before production use.

Use it if

  • You need an animated color field behind hero copy or another positioned content layer.
  • Your app already uses shadcn conventions, Tailwind utilities, and the registry-provided dimensions hook.
  • You want callers to control the palette, animation pace, and blur preset through props.

Skip it if

  • Your narrow layout cannot tolerate overflow without adapting the surrounding demo container.
  • You need deterministic artwork across renders, since circle sizes and paths are randomized during rendering.
  • You require a built-in reduced-motion mode or controls for pausing decorative animation.
  • You want a framework-neutral drop-in with no Tailwind theme or path-alias setup.

Install

Installation record for fancy-animated-gradient-with-svg
Declared dependenciesnone declared
Missing on installnone
Bare installfails once the shadcn-style helpers are removed, so it needs that setup
Providerno provider required in the harness

In a non-shadcn project, add the cn class-merging utility at the expected alias, install or recreate the debounced dimensions hook, configure the alias paths, provide the background-gradient keyframes and animation theme entry, and ensure the referenced Tailwind blur and positioning utilities are generated.

Source and credit

This page is a review, not a copy. The component source lives with its author and this site does not republish it. Read the license before you use anything.

Author repository

github.com/danielpetho/fancy
License
MIT
Record published
2026-08-14

Alternatives

Other published entries for the background-effect pattern, ordered by what they measured: mounts first, then clean axe scans, then bare-mode passes, then the smaller bundle.