PitchBlack│DarkRed Theme. A beautiful theme with combinations of Black and Red. Only for CM12 - 13 Theme Engine. NOTE: Reboot device after install the theme. Note: Development is discontinued. Newest version of PitchBlack for substratum is available on the link below. What's Themed. Ringtone. Bootanimation. Notification sound. Fonts. Framework. Navigation bar. Settings.