This theme currently supports OxygenOS 11 (OOS 11)
Light version of same theme is also available here
https://play.google.com/store/apps/details?id=com.mkadpsubs.materiallightoos

Features:
- PureBlack UI and Notifications
- Transparent StatusBar when pull down QS Panel/Notifications
- PureBlack Backgrounds
- Option for Transparent QS Panel
- Different Accent Colors available
- Option for Backgrounds according to Accent Color
NOTE: To Enable Blur effect as shown in Screenshots, you need to install my this Magisk Module in Magisk Manager.
https://androidfilehost.com/?fid=14943124697586342766

Themed Apps:
- Ambient Display
- Calculator
- Calender
- Call Management
- Contacts
- Google Drive
- Duo
- OP File Manager
- Gboard
- Gmail
- Instagram
- Messaging App
- Phone/Dialer App
- Settings
- SystemUI
- SystemUI Headers
- WhatsApp

Light version of same theme is also available here
https://play.google.com/store/apps/details?id=com.mkadpsubs.materiallightoos

For any support please contact with E-Mail