INDIGO

Blue dye (6)

Solution has appeared in 5 crosswords (2 across and 3 down):

• Quick crossword No 16,674 — 2023-10-13 23:00:26
  14A: Deep violet-blue colour (6)
• Quick crossword No 16,611 — 2023-08-01 23:00:14
  16D: Colour of the rainbow (6)
• Quick crossword No 16,192 — 2022-03-30 23:00:31
  15A: Between blue and violet (6)
• Quick crossword No 16,125 — 2022-01-12 00:00:32
  16D: Sixth colour in a rainbow (6)
• Quick crossword No 15,933 — 2021-05-31 23:00:35
  4D: Blue dye (6)