If you're an avid follower of paint trends, then you're no doubt familiar with Farrow & Ball's Setting Plaster ... both darker, north-facing rooms and brighter, south-facing rooms, according ...
That is, the emergence of 'in-between' hues that don't belong to just one color family and Farrow ... in 'north-facing rooms it will indeed feel a little bit greener' whereas in 'south-facing ...