According to the search results, there are different colors associated with each day of Navratri 2023. The colors vary depending on the source, but here are some of the most commonly mentioned colors:

• Navratri Day 1 (October 15, 2023): Orange (Shailaputri)
• Navratri Day 2 (October 16, 2023): White (Brahmacharini)
• Navratri Day 3 (October 17, 2023): Red (Chandraghanta)
• Navratri Day 4 (October 18, 2023): Royal Blue (Kushmanda)
• Navratri Day 5 (October 19, 2023): Yellow (Skandamata)
• Navratri Day 6 (October 20, 2023): Green (Katyayani)
• Navratri Day 7 (October 21, 2023): Grey (Kalratri)
• Navratri Day 8 (October 22, 2023): Purple (Mahagauri)
• Navratri Day 9 (October 23, 2023): Peacock Green (Siddhidatri)

Its important to note that different regions and traditions may have their own variations on the colors associated with each day of Navratri.