Use this colour mixing challenge to learn how to combine red, green and blue light to make more than 16 million different colours.
Use this code in the CodeCat.cafe text editor
<!DOCTYPE html>
<html>
<head>
<style>
body{
background:linear-gradient(45deg,red,orange,yellow,green,blue,indigo,violet);
}
h1{
font-size:40vw;
color:#00FF00;
text-shadow:40px 30px 10px rgba(0,0,0,0.5);
}
</style>
</head>
<body>
<h1>color</h1>
</body>
</html>