So you don't have a hood? If not, I would aim for lighting that creates 2 watts per gallon. With that much light, you can grow a wide variety of plants, without having to go high-tech if you don't want to.
There are even some plants that do have colour and can grow with that light.
Anubias
Cryptocorynes
Java Fern
Rotala - some have pink/red on them!
Ludwigia
Hygo
Wisteria
and probably more are good candidates for your tank.

These are all plants I have that are doing very well in my 2 wpg!
If you want them to do really well, try a substrate like EcoComplete or Flourite.