Pullman green appears to be correct. below is the historical group that would be able to give you the answer for the exact cars you have in mind.
http://www.lvrr.anthraciterailroads.org/modeling-the-lvrr/modeling-passenger-equipment/
shane
A pessimist sees a dark tunnel
An optimist sees the light at the end of the tunnel
A realist sees a frieght train
An engineer sees three idiots standing on the tracks stairing blankly in space
Before the LV Cornell red scheme I think which was applied in 1939, were LV cars painted pullman green? Or what colors were used up to the red scheme? I'm building a set of pre-war LV passneger cars and cannot find any color references for this period.