Bluespruce02

### Checklist - [x] I have tested the latest 5.0 beta version, and it doesn't have this feature. - [x] I have searched for existing issues (open and closed) and...

[Feature request] Allow pure black mode with theme colors

4

### Checklist - [x] I have searched for existing issues (open and closed) and confirmed this feature hasn't been requested before - [x] I believe this feature request will benefit...