Light green (4)
'light green' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for lime that I've seen before include "Tree, linden or citrus" , "Caustic calcium" , "Kind of tree or substance used in cement" , "white caustic earth" , "White substance used in cement" .)
'light green' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for jade that I've seen before include "Semi-precious gemstone -- tired old horse" , "Greenish, semi-precious stone" , "disreputable woman" , "Worthless horse" , "Wear down" .)