Just like Gmail has number of themes to give new look to inbox, Windows Live Hotmail also has similar feature. You can choose among different colorful themes and render look as per your taste. Unlike Gmail, themes in Hotmail only adds colorful header while remaining inbox remain same with usual white look.
Change theme of Windows Live Hotmail
1. Login into Windows Live Hotmail account & goto Inbox.
2. Click on Options > More Options (at extreme right).

3. Click “Choose a theme”option under “Customize your mail” to see available theme. You can mouseover to preview different themes and click to apply any available theme to your inbox.

Even though these theme only modify header of your Windows Live Hotmail, they are still good enough to give little color splash in usual all white interface of Live Hotmail account. Like it?
