<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>CSS Colors</title>
  <link rel="stylesheet" href="style.css" />
</head>
<body>
  <header class="page-header">
    <h1>CSS Colors</h1>
    <p class="lead">Named, hex, rgb/rgba, hsl/hsla, and modern oklch.</p>
  </header>
  <main class="demo">
    <div class="swatch named">named: tomato</div>
    <div class="swatch hex">hex: #2563eb</div>
    <div class="swatch rgb">rgb(16,185,129)</div>
    <div class="swatch hsl">hsl(280 70% 50%)</div>
    <div class="swatch rgba">rgba(0,0,0,0.5)</div>
  </main>
</body>
</html>