Blue ICSelcius theme for MIUI V4 has just got another update. The theme is made by XDA member WhiteBoy997. It has now reached to version 3.4 and undergone a number of tweaks. The new version has been optimized for MIUI ROM V2.6.8. and now it also supports XHDPI devices. You can also see the change of font color in the settings UI.
Just copy the theme in MIUI/Theme folder on the SD Card and apply it from Themes app.