<!DOCTYPE html>
<html>
<body>
<h2 style="background-color:#000000;color:white">
Background-color set by using #000000
</h2>
<h2 style="background-color:#808080;color:white">
Background-color set by using #808080
</h2>
<h2 style="background-color:#FFFFFF;">
Background-color set by using #FFFFFF
</h2>
</body>
</html>