Today is rang bhari Ekadashi
This day falls between mahashivratri and Holi festival.
It is celebrated in north and specially in banaras as its believed that Lord shiva and parvati came to Kashi after getting married for the first time.
Kashi as it is is considered there favorite city. In kashi vishwanath jyotirlinga temple the idol of lord shiva is decorated and applied with “gulal”/ colored powder which symbolises the celebration of holi also.
रंगभरी एकादशी is also known as आमलकी एकादशी.