rgb() color syntax
@currankelleher's famous introToD3 examples
artisanally ported to blockbuilder.org by @micahstubbs
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<html>
<head>
<meta charset="utf-8">
<title>SVG Example</title>
</head>
<body>
<svg width="250" height="250">
<rect x="0" y="0" width="100" height="100" fill="rgb(255, 0, 0)"></rect>
<rect x="120" y="0" width="100" height="100" fill="rgb(0, 255, 0)"></rect>
<rect x="0" y="120" width="100" height="100" fill="rgb(0, 0, 255)"></rect>
<rect x="120" y="120" width="100" height="100" fill="rgb(100, 50, 200)"></rect>
</svg>
</body>
</html>