I believe what C&J calls "brown" is what Horween calls "Dark Cognac". The same color as the darker Marlows above and what AE also calls "Brown". but of course the actual color you might get varies from batch to batch.
as far as I know the colors C&J uses are (in Horween terms):
unclear if those lighter Marlows posted above are "Cognac" or just a light version of "Dark Cognac". either possible I think.