To change your MySpace profile background color, edit your profile and put the following code into your 'About Me' section:

<style type="text/css">
body, td {
background-color: lime;
}
</style>

The color 'lime' was selected here. Other color options include aqua, black, blue, fuchsia, gray, green, maroon, navy, olive, orange, purple, red, silver, teal, white, and yellow.