I had a willow green E-type coupe with a black interior. It looked great. I have seen "suede green" with willow green and it looks good too. I have a dark brown interior in my 3 Wheeler that i think would look good with willow green. There is a green 3 Wheeler with Heritage Trim at Morgan Morgantown, West Virginia right now. It just finished up on ebay with reserve not met. It's a nice looking car. You may be able to get a deal now, with it being December.
John