The princess is attired pink because her cunt is pink, her blood is red and her whole person is plainly transparent.
The prince is blue because his eyes are blue, his hair is gold, and he tried too hard not to get excited too quickly.
The bride is in white because not everything could be her choice and because every day to follow after this one will be contrast darker to this one.
The groom is decorated darker as opposite ending to the same spectrum into which the contrast darkness that bride and groom will unintention together falls between.