Yes, now you don't have to stare at the black and khaki interface of ReaderScope. With 1.4, ReaderScope adds a theme pack. Right now it comes with three themes which look far more pleasant than the legacy color scheme. Also the Theme Pack is the first premium add-on to ReaderScope. You can buy it for only $3.49, from here. You can see the preview in the Theme switcher, just go to Settings -> Themes.
In future more themes will be added to the theme pack and you can get access to all of them, for just $3.49.
Go on, give it a try.