goood36, I use tip352 for my leaves and like a not so dark green
I also use tip 352 and usually the forest green.
Love tip 352 with leaf green.
On one of my decorating tapes that I have, the instructor use the same color for leaves that she used for the flowers. I haven't tried it yet but intend to on my next cake.
Try letting your icing build up and see if that will give you a round or fatter leaf or try the larger leaf tip.
the tip i use depends on the leaf i want...sometimes i even just cut a parchment bag tip on a V and make my own.
i prefer mossy greens. regardless of the green you use, you can magically match it to your flowers by taking a bit of your flower icing and mixing it in with your green icing...the flower colour will tone your leaf colour to match. start with a small amount and add as desired. 
Thanks for that tip, aunt-judy. I would have never thought of that way to match the leaves to the flowers!! I love this site! I get some of the best tips from you all! Thanks again.
Tanya
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