The most common and most likely answer to this crossword clue is the 5 letter word BOSKY
B
O
S
K
Y
Buddy explains!
The straight part
We know that "as a green shade" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case as a green shade = bosky.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BOSKY mean?
BOSKY adjective- Having abundant bushes, shrubs or trees.
- Caused by trees or shrubs.
- Bushy, bristling.
- Drunk; inebriated