What does the cryptic crossword clue "Now tote change in a pair of hues? (3,4)" mean?

The wordplay uses an anagram. anagram of NOW + TOTE = TWOTONE The answer is TWOTONE.

Now tote change in a pair of hues? (3,4)

Daily Mail Cryptic #17065 | 27 Across | 2023-03-30 flower