Try it Live

​x
 
<!DOCTYPE html>
<html>
  <body>
    <h4 style=" width: 70px; height: 70px; background:hsl(52, 77%, 61%); border-radius: 50%;"></h4>
    hsl(52, 77%, 61%)
    <h4 style=" width: 70px; height: 70px; background:hsl(220, 60%, 67%); border-radius: 50%;"></h4>
    hsl(220, 60%, 67%)
    <h4 style=" width: 70px; height: 70px; background:hsl(333, 90%, 70%); border-radius: 50%;"></h4>
    hsl(333, 90%, 70%)
    <h4 style=" width:70px; height: 70px; background:hsl(16, 76%, 50%); border-radius: 50%;"></h4>
    hsl(16, 76%, 50%)
  </body>
</html>
​