<!DOCTYPE html>
<head>
<meta charset="utf-8">
<!-- Bl.ock: //bl.ocks.org/jm3/9793337 -->
</head>
<body>
<svg width="300" height="300" viewbox="0 0 200 200">
<circle cx="0" cy="100" r="100" fill="rgba(0, 255, 255, 1.0)"></circle>
<circle cx="150" cy="150" r="100" fill="rgba(255, 0, 255, 0.75)"></circle>
<circle cx="25" cy="25" r="100" fill="rgba(255, 255, 0, 0.5)"></circle>
</svg>
</body>
CMYK simple SVG block