Dark green, blue, red, silver, dark pink, green, gold and the pastel shade grège - as colorful and different as the colors of the new REGIA Celebrations Color are the occasions that are celebrated around the world at the end of the year: Whether winter solstice or Christmas, the Hindu festival of lights Diwali or the Mexican Día de los Muertos, Thanksgiving or Hanukkah - knit your favorite socks for your favorite holiday.