Red.
BlAu
blue
The color of the bride's underwear at any wedding is up to the bride. She decides what to wear and, and that includes what she believes is the appropriate color underwear.
white
white
Generally any color.
Santa's best color is Red, that's why his suit is red ...
white
Red
His belt is black with a gold buckle
Santa's bag that he carries all of his toys around in is green
im not sure but he probably wears different colored underwear