My new favorite word:

viridescent: Green or slightly green.

I love the sound of it!

Some related words: virid
Bright green with or as if with vegetation; verdant.

and viridian
A durable bluish-green pigment. (all definitions from Atomica)

[obscure Far Side reference]I've got the greeeens, I've got the greens real baaaad...[/obscure Far Side reference]