The phrase "shiny green" is correct and usable in written English.
You can use it to describe the appearance of something. For example, "The leaves in the tree were a bright and shiny green."
Rouenna held out a shiny green apple.
Its broad shiny green leaves are alternately arranged.
Males show an elegant white crest and have shiny green cheek tufts.
Leaf: blade 5--28 mm, ovate to obovate, abaxially shiny green.
Females are shiny green becoming golden orange on their rumps and cinnamon below.
"It didn't matter that Mr. Ramírez was white, black, Hispanic or shiny green".
The foliage is very dense, with leaves dark and shiny green and nearly glabrous.
The species perennial has red tinged stems and shiny green leaves.
I'd look at all the shiny green Fleet propaganda and want to scream, "Hey guys!
The Glittering-bellied Emerald is entirely shiny green throughout, although the throat and mid-belly are blue.
Leaf: opposite, simple or compound; stipules deciduous; petiole 1--3 cm; blade +- gray abaxially, dark shiny green adaxially.
