If you want to relax your eyes look at something greenish! For example this Emerald Green Theme for Windows 7:
Green has a lot of different shades, for example emerald green. Emerald green is a bit lighter and brighter than real green. Ireland for example is also sometimes called the Emerald Isle. My favorite green shade is probably Jade, but Emerald is also pretty nice.
Emerald Green Theme
Alternative Solutions: Auto-Repair Your PC And Drivers
Trending On Windows Themes .Net