Android Studio is so powerful tool and very convenient to use. I super like its Darcula Theme. But the problem is all windows changed their background color to black except Term
To change editors background color
Open Preference > Editor (In IDE Settings Section) > Colors & Fonts > Darcula or Any item available there
IDE will display a dialog like this, Press 'No'
To change IDE theme
Open Preference > Appearance (In IDE Settings Section) > Theme > Darcula or Any item available there
Press OK. Android Studio will ask you to restart the IDE.