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Added 2 Aug 2026
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ocean-semicircle-gauge-6639
Ocean Semicircle Gauge
Charts & Data

Ocean Semicircle Gauge

Half-dial score gauge in ocean, drawn from one conic gradient and cut to an arc with a radial mask.

Charts & Datachartgaugedialscoreconicmaskocean
lines of CSS
49lines of CSS
dependencies
0dependencies
baseline browsers
Newlybaseline browsers
motion only on interaction
Hovermotion only on interaction
Backdrop
78Score
Open a live copy in

Vue, Svelte, styled-components and Tailwind exports are part of Pro. HTML, CSS and React are free forever.

ocean-semicircle-gauge-6639.css
.fx-mch-gauge-ocean-6638 {
  position: relative;
  width: 140px;
  height: 86px;
  overflow: hidden;
  text-align: center;
}
.fx-mch-gauge-ocean-6638::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: conic-gradient(
    from 270deg,
    #0ea5e9 0deg 70deg,
    #6366f1 70deg 140deg,
    rgba(255,255,255,0.08) 140deg 180deg,
    transparent 180deg 360deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 15px), #000 calc(100% - 14px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 15px), #000 calc(100% - 14px));
  animation: fx-mch-gauge-ocean-6638-in 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.fx-mch-gauge-ocean-6638 .v {
  position: absolute;
  left: 0;
  right: 0;
  top: 38px;
  font-size: 1.6rem;
  font-weight: 800;
  color: #f8fafc;
}
.fx-mch-gauge-ocean-6638 .l {
  position: absolute;
  left: 0;
  right: 0;
  top: 66px;
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #64748b;
}
@keyframes fx-mch-gauge-ocean-6638-in {
  from { transform: rotate(-90deg); opacity: 0; }
  to   { transform: rotate(0);      opacity: 1; }
}
ocean-semicircle-gauge-6639.html
<div class="fx-mch-gauge-ocean-6638">
  <span class="v">78</span>
  <span class="l">Score</span>
</div>

What do I do with this?

  1. Put ocean-semicircle-gauge-6639.css anywhere your page already loads CSS from — in Next.js that is app/globals.css, or any stylesheet with a <link> in your HTML.
  2. Then put the class on the element you want it on: <button class="fx-mch-gauge-ocean-6638">. The CSS does nothing until a class name in it matches something on the page.
  • Link the stylesheet, then paste the markup wherever you need it.
npx hoverlab add ocean-semicircle-gauge-6639

What's included

  • The markup and the stylesheet, in whichever framework you pick
  • No runtime dependencies

Works with

  • React
  • Vue
  • Svelte
  • Tailwind
  • styled-components
  • Plain CSS

npx hoverlab add ocean-semicircle-gauge-6639

Or over MCP, from your editor's agent — no account needed.

License

Free to read, copy and install, for personal and non-commercial projects. Shipping it in client work or a paid product needs Pro ($79 once). The source lands in your repo and stops being ours — no attribution, nothing to upgrade.

Was this useful?

Motion safety

Static estimate, read from the CSS

Reduced motion
Brief motion, no guard

Animates briefly or on interaction. Only looping motion gets a guard in this catalog; copy the one from the Insights tab if this ships on a critical path.

What it animates
Compositor only

Only transform, opacity or filter: the GPU can run it without re-laying-out or repainting the page.

Flashing (WCAG 2.3.1)
No flashing found

No repeating change in opacity, colour or brightness large enough to count as a flash.

Layout shift (CLS)
No shift expected

Nothing it animates moves or resizes the box in flow. A category from the CSS, not a measurement for this effect.

Every row is read from the shipped CSS. Only a figure marked measured came from a browser. Customizing the speed changes the timing, so recheck a customized copy. How it is computed

35 more effects in Charts & Data

All of them free to read, copy and install — no account, no locked tiles, no watermarked preview. The whole catalog is open, and so are the API and the CLI.

Browse Charts & Data

Shipping one commercially

Copying the code is free. Putting it in client work or a paid product is what Pro is for — the licence, not the access.

  • A commercial licence for everything in the catalog
  • Unlimited bundle exports, in Vue, Svelte and Tailwind
  • One payment — no subscription, nothing to renew
Pro — $79 once

7 variations of Ocean Semicircle Gauge

Finished looks, each one a position in the customizer above. Copy any of them, or open it and keep moving the sliders.