index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>>SVG color testing</title>
</head>
<body>
<svg height="500" width="500">
<circle cx="50" cy="50" r="40" stroke="white" stroke-width="1" fill="red" />
<circle cx="150" cy="50" r="40" stroke="white" stroke-width="1" fill="green" />
<circle cx="100" cy="75" r="40" stroke="white" stroke-width="1" fill="blue" />
<circle cx="50" cy="125" r="40" stroke="white" stroke-width="1" fill="yellow" />
<circle cx="150" cy="125" r="40" stroke="white" stroke-width="1" fill="magenta" />
<circle cx="100" cy="150" r="40" stroke="white" stroke-width="1" fill="cyan" />
<circle cx="50" cy="200" r="40" stroke="white" stroke-width="1" fill="black" />
<circle cx="150" cy="200" r="40" stroke="black" stroke-width="1" fill="white" />
</svg>
</body>
</html>