What does the cryptic crossword clue "Greenness of navy tie confusing (7)" mean?

The definition is "Greenness". The wordplay uses an anagram. anagram of NAVY (synonym="NAVY") + TIE (synonym="TIE") = NAIVETY The answer is NAIVETY.

Greenness of navy tie confusing (7)

Independent Cryptic #12072 | 23 Across | 2025-06-18 flower