build: updated compiled CSS + palette-test.html demo page
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static/palette-test.html
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static/palette-test.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>ASW Palette Explorer</title>
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<link rel="stylesheet" href="https://unpkg.com/open-props/open-props.min.css">
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<style>
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* { box-sizing: border-box; margin: 0; }
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body {
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font-family: system-ui, sans-serif;
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background: oklch(12% 0.01 250);
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color: oklch(85% 0.02 250);
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padding: 2rem;
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max-width: 900px;
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margin: 0 auto;
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}
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h1 { font-size: 1.5rem; font-weight: 400; margin-bottom: 0.5rem; }
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h2 { font-size: 1.1rem; font-weight: 400; margin: 2rem 0 1rem; color: oklch(70% 0.02 250); }
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p { line-height: 1.6; margin-bottom: 1rem; color: oklch(75% 0.02 250); }
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code { font-family: monospace; background: oklch(18% 0.01 250); padding: 0.15em 0.4em; border-radius: 3px; }
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/* ── Controls ─────────────────────────── */
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.controls {
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display: flex; gap: 1.5rem; flex-wrap: wrap;
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padding: 1.5rem; margin: 1.5rem 0;
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background: oklch(16% 0.01 250);
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border-radius: 8px;
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}
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.controls label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; }
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.controls input[type="range"] { width: 200px; }
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.controls .val { font-family: monospace; font-size: 0.8rem; color: oklch(65% 0.02 250); }
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/* ── Palette strip ────────────────────── */
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.palette {
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display: grid;
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grid-template-columns: repeat(16, 1fr);
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gap: 2px;
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margin: 1rem 0;
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}
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.swatch {
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aspect-ratio: 1;
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border-radius: 4px;
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display: flex;
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align-items: end;
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justify-content: center;
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font-size: 0.65rem;
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font-family: monospace;
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padding: 0.2rem;
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}
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.swatch.light-text { color: oklch(95% 0.01 0); }
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.swatch.dark-text { color: oklch(15% 0.01 0); }
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/* ── Live demo ────────────────────────── */
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.demo {
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padding: 2rem;
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border-radius: 8px;
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margin: 1.5rem 0;
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}
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.demo h3 { font-size: 1.2rem; font-weight: 400; margin-bottom: 0.75rem; }
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.demo p { margin-bottom: 0.75rem; }
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.demo a { text-decoration: underline; text-underline-offset: 2px; }
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.demo .muted { opacity: 0.7; font-size: 0.9rem; }
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.demo .accent-pill {
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display: inline-block;
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padding: 0.3em 0.8em;
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border-radius: 100px;
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font-size: 0.85rem;
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margin: 0.25rem;
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}
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/* ── Ludo's dark mode spec ─────────────── */
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.ludo-spec {
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margin: 2rem 0;
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padding: 1.5rem;
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border: 1px solid oklch(25% 0.02 250);
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border-radius: 8px;
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}
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.ludo-spec dt { font-weight: 500; margin-top: 0.75rem; }
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.ludo-spec dd { margin-left: 0; color: oklch(70% 0.02 250); }
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</style>
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</head>
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<body>
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<h1>ASW Palette Explorer</h1>
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<p>Open Props gives you 16 oklch steps from one <code>--palette-hue</code> value. Drag the slider — the whole palette shifts.</p>
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<div class="controls">
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<label>
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Hue <span class="val" id="hue-val">250</span>
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<input type="range" id="hue" min="0" max="360" value="250">
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</label>
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<label>
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Chroma <span class="val" id="chroma-val">0.15</span>
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<input type="range" id="chroma" min="0" max="40" value="15">
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</label>
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<label>
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Hue rotate <span class="val" id="rotate-val">0</span>
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<input type="range" id="rotate" min="0" max="30" value="0">
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</label>
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</div>
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<h2>The 16 steps — <code>--color-1</code> to <code>--color-16</code></h2>
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<div class="palette" id="palette"></div>
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<h2>Your dark mode mapped to this palette</h2>
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<div class="demo" id="demo">
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<h3>On the Craft of Invisible Systems</h3>
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<p>There is a particular quality to systems that work well. They recede. The thermostat that holds a room at precisely the right temperature.</p>
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<p><a href="#" id="demo-link">A link in blue — the OG HTML blue</a></p>
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<p class="muted">Muted secondary text for metadata and captions.</p>
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<div style="margin-top: 1rem;">
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<span class="accent-pill" id="pill-ok">OK</span>
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<span class="accent-pill" id="pill-warn">Warn</span>
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<span class="accent-pill" id="pill-error">Error</span>
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<span class="accent-pill" id="pill-info">Info</span>
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</div>
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</div>
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<h2>What this means for ASW</h2>
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<dl class="ludo-spec">
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<dt><code>--surface</code> = <code>--color-16</code></dt>
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<dd>10% lightness — body background. Currently <code>--gray-12</code> (#030507)</dd>
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<dt><code>--surface-1</code> = <code>--color-15</code></dt>
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<dd>16% lightness — cards, sidebars</dd>
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<dt><code>--text</code> = <code>--color-3</code></dt>
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<dd>93% lightness — primary text, easy on the eyes (not pure white)</dd>
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<dt><code>--text-2</code> = <code>--color-5</code></dt>
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<dd>80% lightness — secondary text</dd>
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<dt><code>--text-3</code> = <code>--color-7</code></dt>
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<dd>66% lightness — muted text</dd>
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<dt><code>--link</code> = blue at hue 250, chroma pushed</dt>
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<dd>Links stay blue regardless of palette hue — the OG HTML convention</dd>
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<dt><code>--accent</code> = <code>--color-8</code></dt>
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<dd>58% lightness, peak chroma — the most vivid step in the palette</dd>
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</dl>
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<p>Change the hue above: 250 = indigo (current), 220 = blue, 145 = green, 45 = amber, 0 = red, 330 = pink. The whole surface/text system shifts. Links stay blue.</p>
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<script>
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// oklch palette definition (matching Open Props)
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const steps = [
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{ l: 98, cm: 0.03 }, // 1
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{ l: 97, cm: 0.06 }, // 2
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{ l: 93, cm: 0.10 }, // 3
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{ l: 93, cm: 0.12 }, // 4 (corrected: OP uses 84 but let's be accurate)
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{ l: 80, cm: 0.16 }, // 5
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{ l: 71, cm: 0.19 }, // 6
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{ l: 66, cm: 0.20 }, // 7
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{ l: 58, cm: 0.21 }, // 8 ← peak chroma
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{ l: 53, cm: 0.20 }, // 9
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{ l: 49, cm: 0.19 }, // 10
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{ l: 42, cm: 0.17 }, // 11
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{ l: 35, cm: 0.15 }, // 12
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{ l: 27, cm: 0.12 }, // 13
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{ l: 20, cm: 0.09 }, // 14
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{ l: 16, cm: 0.07 }, // 15
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{ l: 10, cm: 0.05 }, // 16
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];
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// Fix step 4 to match actual OP
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steps[3].l = 84;
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function color(step, hue, chroma, rotate) {
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const h = hue + rotate * (step - 1);
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const c = chroma * steps[step - 1].cm;
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const l = steps[step - 1].l;
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return `oklch(${l}% ${c.toFixed(4)} ${h})`;
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}
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function update() {
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const hue = +document.getElementById('hue').value;
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const chroma = +document.getElementById('chroma').value / 100;
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const rotate = +document.getElementById('rotate').value;
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document.getElementById('hue-val').textContent = hue;
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document.getElementById('chroma-val').textContent = chroma.toFixed(2);
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document.getElementById('rotate-val').textContent = rotate;
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// Palette strip
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const pal = document.getElementById('palette');
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pal.innerHTML = '';
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for (let i = 1; i <= 16; i++) {
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const c = color(i, hue, chroma, rotate);
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const div = document.createElement('div');
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div.className = 'swatch ' + (i <= 8 ? 'dark-text' : 'light-text');
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div.style.background = c;
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div.textContent = i;
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pal.appendChild(div);
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}
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// Demo: Ludo's dark mode
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const demo = document.getElementById('demo');
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const surface = color(16, hue, chroma, rotate);
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const text = color(3, hue, chroma, rotate);
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const textMuted = color(7, hue, chroma, rotate);
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// Links stay blue — fixed hue 250
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const link = `oklch(65% 0.15 250)`;
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demo.style.background = surface;
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demo.style.color = text;
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demo.querySelector('h3').style.color = color(2, hue, chroma, rotate);
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demo.querySelector('.muted').style.color = textMuted;
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demo.querySelector('a').style.color = link;
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// State pills — these use FIXED hues, not the palette hue
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const pill = (id, h) => {
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const el = document.getElementById(id);
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el.style.background = `oklch(25% 0.04 ${h})`;
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el.style.color = `oklch(75% 0.15 ${h})`;
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};
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pill('pill-ok', 145);
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pill('pill-warn', 80);
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pill('pill-error', 25);
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pill('pill-info', 250);
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}
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document.getElementById('hue').addEventListener('input', update);
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document.getElementById('chroma').addEventListener('input', update);
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document.getElementById('rotate').addEventListener('input', update);
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update();
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</script>
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</body>
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</html>
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