Untitled

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Color Scale</title>
</head>

<body>
<table border="0" cellspacing="0" cellpadding="7">
<tr>
<script>
for (i = 0; i <= 255; i+= 25 ) {
document.write("<th style= 'background-color:rgb(255,"+i+","+i+");'>"+i+"</th>");
}
</script>
</tr>
<tr>
<script>
for (i = 0; i <= 255; i+= 25) {
document.write("<th style= 'background-color:rgb("+i+",255,"+i+");'>"+i+"</th>");
}
</script>
</tr>
<tr>
<script>
for (i = 0; i <= 255; i+= 25) {
document.write("<th style= 'background-color:rgb("+i+","+i+",255);'>"+i+"</th>");
}
</script>
</tr>
<tr>
<script>
for (i = 0; i <= 255; i+= 25) {
document.write("<th style= 'background-color:rgb(255,255,"+i+");'>"+i+"</th>");
}
</script>
</tr>
<tr>
<script>
for (i = 0; i <= 255; i+= 25) {
document.write("<th style= 'background-color:rgb("+i+",255,255);'>"+i+"</th>");
}
</script>
</tr>
<tr>
<script>
for (i = 0; i <= 255; i+= 25) {
document.write("<th style= 'background-color:rgb(255,"+i+",255);'>"+i+"</th>");
}
</script>
</tr>

</table>
</body>
</html>