Orchids for behind my fish tank.

[Ordphien]

I recently started up a 12 gallon planted fish tank in my room. Just yesterday I installed the light.
I was admiring how it looked when I realised there's a whole foot of space between my tank and my light. A whole foot!
So! I want to fill it with orchids. Small ones of course. But I'm not really sure where this fixture gets me outside the world of aquatic plants.
It's a 24" dual t5ho. Aquasun specifically. The reflector is quite good I think. The bulbs are 6,500 and 5,000 k.
What kinds of orchids should I be looking to stick up there? High light? Low light?
Any plant suggestions?

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