<!DOCTYPE html>
<html>
<head>
<title>HTML HSL Color Example</title>
</head>
<body>
<h1 style="background-color:hsl(0,100%,50%);">Background Color is set by value hsl(0,100%,50%)</h1>
<h1 style="background-color:hsl(160,60%,40%);">Background Color is set by value hsl(160,60%,40%)</h1>
<h1 style="background-color:hsl(260,70%,60%);">Background Color is set by value hsl(260,70%,60%)</h1>
</body>
</html>