Blue
There are many Gems which can be wore in different festivals. For the Hindu festival, Makra sankranti Ruby colour is to be worn on makar sankranti 2015
This year 2013 the makarsankrant has come on Orange colour(Marathi-shendra)...so wear d same colour...not black.
Black
Yellow.
White
gold and white vestments are worn at Christmas by priests in the Catholic Church
green.
green
Blue as their primary colour and have worn one or the other shade of blue. The blue colour of their uniform has also earned them the nickname of "Men in Blue"
Lent and Advent.
blue
blue