There is a green push on the S series. No one I know of has ever mentioned anything wrong with the color on mine. I would see if they have it running in "movie" mode or not. If not set it there as this is the recommended setting for the S1 and I would suspect the same of the S2.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70