Change color of the navigation bar
Black looks boring, making it match with the status bar will make it look more beautiful
Yes Jota+ text editor does this
Flo Edelmann commented
translucent would be even better
I think this is not needed since you can achieve the same with xposed + flat style colored bars module http://i.imgur.com/6XgqajR.jpg
it changes with the app Actionbar color.Are you on lollipop? as far as i know its one of lollipops features.