Cape Cod — A dark slate gray with solid blue undertones that help to create an aged, respectable look. It belongs to the Gray and Green families: A deep, slate-green, like shadowed forest moss or weathered stone, also known as Dark Slate Gray. Its balanced RGB values (R:60, G:68, B:67) in #3C4443 blend Gray-Green tones. Nearest neighbors: charcoal, olive, slate.