Guess 1981 Indigo Cologne by Guess, Guess 1981 indigo is a 2018 fragrance with a refreshing, casual vibe that calls to mind the companyâÇÖs iconic blue jeans. The long-lasting scent opens with top notes of fruit, citrus and herbs, including bergamot orange, sage, blue lavender and fig. Beneath, the heart of the fragrance infuses notes of coconut nectar, iris, tonka bean and oak moss.