nice trips.
It's for life and creation. A springtime celebration.
Eggs represent fertility and new life.
The Great God who took on the poison which arose from Creation and rendered it harmless - to save the World and it's creatures, is celebrated at the beginning of the year- traditionally Spring.
That season brings on new life. Though the life force is present in all creation - it's seen to be strongest in Springtime [Northern hemisphere].
The Protector of the devotees and the one who gives salvation, Who redeems the world is celebrated.
The White Light becomes all the colors.