Definition of "greeny"

When we get them off their guard we have got to paint that red 'T' the greeniest green that ever came out of a greenhouse.

1928 October, Boys' Life, page 15

Resentment showed in his face, greeny-brown and wrinkled like a baked apple,—resentment that white folks should pry into matters wholly Indian.

1941, Emily Carr, chapter 6, in Klee Wyck‎

In the end he settled for a very faint and tightly checked greeny shirt to go with his dark tweed jacket […]

2001, Tim Parks, Juggling the Stars