∞ forever components

Orphist Colour Discs

Simultaneous Disc

7 concentric spectrum rings counter-rotate in alternating directions; a shimmer overlay and pulsing center dot evoke Orphist colour.

canvasmedium complexitymoderate motion

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Live demo — the real component, running in a sandbox. One self-contained HTML file, zero dependencies. Open it on the canvas →
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When to use it

Art/design portfolios, colorful ambient backgrounds, exhibition kiosks inspired by early 20th-century abstract painting.

When not to

Contexts requiring legible text overlays — constant rotation competes with reading. Not suitable where reduced-motion users need animation.

Working with an AI agent

Every component ships agent-ready metadata. An example instruction for this one:

Change RINGS from 7 to 9, slow outer ring speed by setting the per-ring increment from 0.04 to 0.02, and swap SPECTRUM to warm reds and golds. Theme: dark tokens live in :root, the light variant in :root[data-theme="light"]; ?theme=light or a {type:'forever:theme'} postMessage switches at runtime.

Safe to edit

  • ring count (RINGS=7)
  • segment count per ring (SEG=24)
  • rotation speed base (0.12) and per-ring increment (0.04)
  • color palette (SPECTRUM array)
  • shimmer intensity (0.16*shimmer)
  • theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

  • DPR-aware fitCanvas with setTransform
  • visibilitychange stop/start guard
  • prefers-reduced-motion static draw fallback
  • IIFE wrapper
  • theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

  • Background color hardcoded in both CSS and ctx.fillStyle — must change both to retheme
  • No pointer interactivity — purely passive display
  • Reduced-motion users see only a single static frame

orphismconcentric-ringscanvascolor-theorygenerativeambient

More Orphist Colour Discs components

  • Circular Rhythm26 color discs pulse with sine-wave rhythm via radial gradients on a dark canvas; additive blending creates luminous overlaps in the Orphist palette.
  • Prismatic Window20 colored rectangular planes in a 5x4 grid breathe, skew, and pulse opacity in staggered sine waves over a dark background, evoking Orphist window planes.
  • Colour Wheel Pulse36-segment spectral disc spins while an energy crest sweeps its segments, causing slices to pulse outward and flare bright as the wave passes.
  • Endless RhythmA horizontal band of split half-disc circles in spectral colors marches endlessly left in a seamless CSS loop, inspired by Orphist's rhythm motifs.
  • Contrast PairsThree split circles rotate complementary halves against each other — red/green, blue/orange, violet/yellow — enacting Orphist's simultaneous contrast law.
  • Sun & Moon DiscsTwo large radial-gradient discs — a warm sun and cool moon — orbit the canvas center in opposite phase, blending with 'lighter' compositing where they…