Blue goes so well with orange, let's use those colors as a background for our (often overly-dramatic) scene.
Not to be confused with Blue and Orange Morality
which is about morals which are unrecognisable to humans, Blue And Orange Scenery is Exactly What It Says on the Tin
. Background (and occasionally foreground) scenery and lighting designed to emphasise a scene using shades of blue and orange in order to make the scene more emotional and/or memorable.