Basic Controls and Selectors

Travel Plan Color Swatch Selection

Complete color swatch selection in a travel planning scenario: includes real content, actionable controls, clear status feedback, and responsive layout across sizes.

Basic Controls and SelectorsColor Sample SelectionHTMLCSSJavaScript
With JavaScript enabled, you can edit, run, and save this example. The fixed source is as follows:
<!doctype html>
<html lang="en" dir="ltr">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Travel Plan Color Swatch Selection</title>
  <style>
    :root { --ink:#18332f; --paper:#f4efe4; --accent:#d45f3e; --secondary:#8fc4ad; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
    * { box-sizing:border-box; }
    html { min-width:320px; background:var(--paper); }
    body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:"Songti SC","Noto Serif SC",Georgia,serif; background:linear-gradient(90deg,transparent 49.7%,color-mix(in srgb,var(--ink) 7%,transparent) 50%,transparent 50.3%),var(--paper); }
    button,input,select,textarea { color:inherit; font:inherit; }
    button,[role="button"],input,select,textarea { accent-color:var(--accent); }
    button { cursor:pointer; }
    button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
    [hidden] { display:none !important; }
    @media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
    @media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
    .page{width:min(1180px,calc(100% - 40px));margin:auto;padding:7vw 0}.mast{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(180px,.4fr);gap:5vw;align-items:end;margin-bottom:38px}.mast h1{font-family:"Songti SC",Georgia,serif;font-weight:800;font-size:clamp(42px,9vw,92px);max-width:920px;margin:0;line-height:.94}.eyebrow{display:block;margin-bottom:14px;color:var(--accent);font:800 11px/1 ui-monospace,monospace;letter-spacing:.24em}.intro{max-width:58ch;line-height:1.9}.scenario{align-self:start;padding-top:10px;border-top:1px solid var(--ink);font-style:italic}.demo{border-radius:0;border-width:2px;box-shadow:14px 14px 0 color-mix(in srgb,var(--ink) 18%,transparent);position:relative;overflow:hidden;min-height:420px;padding:clamp(22px,4vw,48px);background:var(--paper)}@media(max-width:700px){.page{width:calc(100% - 22px);padding:26px 0}.mast{grid-template-columns:1fr}.demo{min-height:340px;padding:18px}}
    .panel{padding:16px;border:3px double var(--accent);background:var(--paper)}.stack{display:grid;gap:14px}.row{display:grid;grid-auto-flow:column;grid-auto-columns:max-content;gap:10px;overflow:auto}.action{padding:10px 15px;border:1px solid var(--accent);background:transparent;font-family:Didot,serif;letter-spacing:.06em}.action.primary,.action.is-active{color:var(--paper);background:var(--ink)}.metric{font-family:Didot,serif;font-size:clamp(36px,8vw,74px);letter-spacing:.04em}.status{min-height:24px;padding:9px;border-inline:1px solid var(--accent);text-align:center}.muted{line-height:1.8}.chip{padding:5px 14px;border-inline:1px solid var(--accent);letter-spacing:.1em}.meter{height:5px;background:var(--line)}.meter>i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--secondary))}
    .composition-index{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px}.index-mark{display:grid;align-content:space-between;width:76px;padding:16px 10px;border:1px solid var(--line);color:var(--accent);background:color-mix(in srgb,var(--paper) 82%,transparent);text-align:center}.index-mark strong{font:900 34px/1 ui-monospace,monospace}.index-mark span{writing-mode:vertical-rl;font:800 10px/1.2 ui-monospace,monospace;letter-spacing:.18em}.composition-index .demo{grid-column:1;grid-row:1}.composition-index::before{content:"";position:absolute;left:-12px;top:38px;width:5px;height:45%;background:linear-gradient(var(--accent),var(--secondary))}@media(max-width:700px){.composition-index{grid-template-columns:1fr}.index-mark{grid-row:1;width:auto;grid-template-columns:auto 1fr}.index-mark span{writing-mode:horizontal-tb}.composition-index .demo{grid-row:2}}
    .swatch-demo{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.swatch-copy{display:grid;gap:18px}.swatch-copy h2{margin:0}.swatch-copy fieldset{margin:0;padding:0;border:0}.swatch-copy legend{margin-bottom:12px;font-weight:900}.swatch-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:9px}.swatch-list label{position:relative}.swatch-list input{position:absolute;opacity:0}.swatch-list span{display:grid;gap:7px;padding:11px;border:1px solid var(--line);border-radius:13px}.swatch-list i{height:52px;border-radius:8px;background:var(--swatch)}.swatch-list small{text-transform:uppercase}.swatch-list input:checked+span{border:3px solid var(--ink);padding:9px}.swatch-list input:focus-visible+span{outline:3px solid var(--accent);outline-offset:3px}.swatch-preview{display:grid;align-content:center;gap:14px;min-height:330px;padding:32px;border-radius:28px;color:#fff;background:linear-gradient(145deg,var(--chosen),color-mix(in srgb,var(--chosen) 45%,#101820))}.swatch-preview strong{font-size:clamp(38px,7vw,72px)}.swatch-preview button{justify-self:start;padding:11px 17px;border:0;border-radius:999px;color:var(--chosen);background:#fff;font-weight:900}@media(max-width:720px){.swatch-demo{grid-template-columns:1fr}.swatch-preview{min-height:240px}}.workflow-compare{display:grid;grid-template-columns:minmax(230px,.55fr) minmax(0,1.45fr);gap:18px}.compare-stage{display:grid;gap:12px;min-width:0}.compare-stage>header{display:flex;justify-content:space-between;gap:16px;align-items:end}.compare-stage h2{margin:.2em 0}.compare-core{--compare-split:50%;min-width:0;padding:14px;clip-path:inset(0 calc(100% - var(--compare-split)) 0 0);outline:1px dashed var(--accent);outline-offset:-8px;transition:clip-path .25s,filter .25s}.compare-core[data-compare-channel="B"]{filter:hue-rotate(32deg) saturate(1.15)}.compare-controls{display:grid;align-content:start;gap:16px;padding:20px;border:1px solid var(--line);border-radius:24px 4px 24px 4px;background:var(--paper)}.compare-controls fieldset,.compare-controls>label{display:grid;gap:8px}.compare-controls input[type="range"]{width:100%}#workflowCompareShelf{display:grid;gap:6px;padding:0;margin:0;list-style:none}#workflowCompareShelf li{display:grid;grid-template-columns:auto 1fr auto;gap:8px;padding:9px;border-top:1px solid var(--line);font-size:12px}@media(max-width:900px){.workflow-compare{grid-template-columns:1fr}.compare-stage{order:-1}.compare-core{clip-path:none;border-left:8px solid var(--accent)}}
  </style>
</head>
<body data-aesthetic="editorial" data-composition="field-index">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">editorial / color swatches selection / BEGINNER</span><h1>Travel Plan Color Swatch Selection</h1><p class="intro">Complete color swatch selection in a travel planning scenario: includes real content, actionable controls, clear status feedback, and responsive layout across sizes.</p></div><span class="scenario">Travel Plan</span></header>
    <div class="composition-index"><section class="demo" aria-label="Travel plan color swatch selection interaction area"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Reference Channel</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Time-Saving Route</label><label><input type="radio" name="workflowChannel" value="B">B · Balanced Route</label></fieldset><label>Trip budget weighting<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 yuan</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Save Route</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Travel Plan COMPARE</span><h2>Travel route dual-version comparison</h2><output id="workflowCompareLive">Version A waiting for sampling</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:controls-selectors-color-swatches --><section class="swatch-demo"><div class="swatch-copy"><span class="eyebrow">COLOR SWATCHES</span><h2>Travel Plan Theme Colors</h2><p>Color names and hex values are presented alongside visual samples.</p><fieldset><legend>Choose theme color</legend><div class="swatch-list"><label style="--swatch:#1f9d8a"><input type="radio" name="themeColor" value="#1f9d8a" data-color-index="0" checked data-core-bridge="controls-selectors-color-swatches"><span><i aria-hidden="true"></i><b>Turquoise</b><small>#1f9d8a</small></span></label><label style="--swatch:#e5673f"><input type="radio" name="themeColor" value="#e5673f" data-color-index="1"><span><i aria-hidden="true"></i><b>Sunset</b><small>#e5673f</small></span></label><label style="--swatch:#4b5cc4"><input type="radio" name="themeColor" value="#4b5cc4" data-color-index="2"><span><i aria-hidden="true"></i><b>Indigo</b><small>#4b5cc4</small></span></label><label style="--swatch:#d39a27"><input type="radio" name="themeColor" value="#d39a27" data-color-index="3"><span><i aria-hidden="true"></i><b>Golden Sand</b><small>#d39a27</small></span></label><label style="--swatch:#a94268"><input type="radio" name="themeColor" value="#a94268" data-color-index="4"><span><i aria-hidden="true"></i><b>Berry</b><small>#a94268</small></span></label></div></fieldset></div><div id="swatchPreview" class="swatch-preview" style="--chosen:#1f9d8a"><span>PREVIEW</span><strong id="swatchName">Turquoise</strong><p>Travel Plan Overview</p><button type="button">Primary action</button></div></section><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>Travel Plan FIELD INDEX</span></aside></div>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:controls-selectors-color-swatches */
const swatchPreview=document.querySelector('#swatchPreview');const swatchName=document.querySelector('#swatchName');document.querySelectorAll('input[name="themeColor"]').forEach(input=>input.addEventListener('change',()=>{const name=input.closest('label').querySelector('b').textContent;swatchPreview.style.setProperty('--chosen',input.value);swatchName.textContent=name;announce('Primary color switched to '+name);}));
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"controls-selectors-color-swatches","selector":"[data-core-bridge=\"controls-selectors-color-swatches\"]","mode":"radio","key":"ArrowRight"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · Core Version '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("keydown",workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('input',workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('change',workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();const radios=[...workflowBridgeCore.querySelectorAll('input[type="radio"]')].filter(input=>input.name===workflowBridgeControl.name&&!input.disabled);const current=Math.max(0,radios.findIndex(input=>input.checked));radios[(current+1)%radios.length].click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' yuan';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' yuan'+(workflowCompareState.frozen?' · Frozen':'');announce('Travel route under review '+workflowCompareState.channel+' Version');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' Yuan · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Version and save route · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('Button Sampling'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Main view double-click'));workflowCompareDrive();
workflowBridgeReset();
  </script>
</body>
</html>
Page feedbackFound an issue or have suggestions for improvement?
Feedback features need to be used in the online version

Please enable JavaScript in the online version before submitting; local features of the current tool or example are not affected.

Go to the online version for feedback