I finally received a reply from mth re my question on the cataloged Conrail bicentennial GP 38 #7776.The picture shows an incorrect lite Conrail blue instead of a baby/ american flag blue that the unit was painted.
http://thecrhs.org/image/view/11370/_original
I emailed mth to verify the blue being used. Their response was they are using a Boston & Maine blue? What is that blue?