We owned the Rubicon 10a Anvil with red leather seats. We just got the Earl. The Earl is more Aqua Gray. The Anvil is more steel blue gray. Both nice. Both look good with the red leather
FWIW I struggled with this too, and ended up getting the Earl. It is a more dynamic and livelier color and I am glad I went with it... especially after I realized the Anvil would have perfectly matched my rubbermaid trash cans. The Anvil has a flatter look that I'm not a fan of.