Mine looks like this...
Changing these colours is easy. In the Preferences, go to Editor > Colors & Fonts > Console. Then set the 'Console background' to Black.
After that set the 'Console standard output' to a bright green colour (or orange if you're feeling really nostalgic).
To save, click OK. You'll probably notice nothing has changed, this happened to me too. I had to close the Terminal tab (by clicking its X button) and after I've opened it again, it had the new colours set properly.
I know the Darcula scheme exists, but personally I do not like a dark background for code editing, but if you do, that scheme will change your Terminal colours as well.