Texas & Pacific Railroad Paint Information
From PacificNG
Reference / Historic Railroad Paint Color Index
Freight Cars
1957
20 Insulated boxcars equipped with Evans Damage Free hardware and sheathed on the interior with plywood are painted aluminum on the interior to reflect light and yellow on the exterior, sprayed hot to facilitate rapid curing.
"Modern Cars Use Plywood," Railway Locomotives and Cars January 1957 p38.