Today’s Navratri colour, 13 October 2015 depends on the Nakshatra, week day and many other aspects related to astrological manifestations. In 2015, 13 October is Pratipada Navratri, the first day of Ashwin Navratri.
The Navratri colour for 13 October 2015 is – Red.
As part of Navadurga worship, the first Navadurga – Shailaputri Navadurga is worshipped on Pratipada tithi.
As part of Navadevi worship, Balatripura Sundari Devi / Kanakadurga Devi is worshipped on the first day of Navratri.
Maha Kali puja is celebrated as part of Dasamahavidya puja and in Saptamtrika worship, Brahmi puja is observed.
The Navratri colour concept is followed mainly in Maharashtra, Gujarat and some other places of North India.