Do you have a hankering for that nice mid-90s Green or Amber on black terminal look?
You can easily get there, along with a translucent background, using the Sakura terminal.
$ sudo apt-get install sakura
$ nano ~/.config/sakura/sakura.conf
There are up to 6 different color schemes that you can alter. You can cycle through these in Sakura by pressing shift-ctrl-F1 through shift-ctrl-F6.
Alter these simple scheme with the below RGB (Red, Green, Blue) colors.
with 0, 0, 0, 0.9 back
which is black with an opacity of 90%.
255,176, 0 with 0, 0, 0, 0.9 back