According to the search results, the Navratri colors for 2023 are as follows:

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

It is a tradition to wear different colors associated with each day of the festival, and these colors have symbolic significance and are believed to represent the various manifestations and attributes of the Goddess.