Meg is a very good layer. The RIR sire of Meg was a very very dark one, not a hatchery bird and the Buff Orps were exhibition size ones. The sire also produced my pure RIR pullet, Scarlett, now owned by rooster-red. So, I would say Meg's lines were very dark. Here is her pure RIR,half sister, Scarlett, same dad-I'd say that's pretty dark: