Subtle is a theme with all about awesome icons. The icons are a bit minimal style but with a bit of subtleness that willl give your phone a fresh new look.
Key features are:
1) ITS FREE! so download it now.
2) 1350 + HD icons
3) 6 awesome HD wallpapers
4) Regular update
5) Multi launcher support
To apply the theme go to Your Launcher settings and:
Nova Launcher:
Nova Settings > Look and feel > Icon Theme >Subtle
Apex Launcher:
Apex settings > Theme settings > Subtle> Apply
ADW Launcher:
ADW Settings > Themes > Subtle> Apply
For best view keep the transparency between 30 to 40 and icon size to 100% and 5x5 grid.