Carbon [for Android]

Included in the theme:
•Alarms, application Icons, notifications, ringtones and wallpapers;
•System UI: lock screen, quick settings, status bar, navigation bar and power menu;
•Applications:
-Audiofx;
-Browser;
-Calculator;
-Calendar;
-Camera (aosp and google);
-Clock;
-Contacts;
-Dialer;
-Documents;
-Downloads;
-Eleven (music);
-Email;
-File Manager;
-Gallery;
-Google Now;
-Keyboard (aosp and google);
-Messaging (aosp);
-Messenger (google);
-Radio;
-Settings;
-Sound Recorder;
-Themes;
-Trebuchet (cm launcher);
-Widgets;
-CM Account;
-CM updater;
-Whatsapp;
-Hangouts;
and other applications.

Available for many roms: AICP, Resurrection Remix, BlissPop, Exodus, Vanir, FlexOs and other.
After installation go to "Themes" and apply what you want. Then reboot your phone!