Do a search for "How to paint Wood Elves" and you will find a great number of video's of people painting War Hammer Elves, but green is green, autumn colors are what they are too. So you will see many ways to achieve a great woodsy scheme. Orange is a much used contrast color for greens, also using muted greens along side popping bright greens. All these tricks will help you decide what colors you want to use and where to apply them to make your force look great.
Aside from that...
http://taleofpainters.blogspot.com/2013/12/tutorial-how-to-paint-mirkwood-elf.html is the link to tale of painters article on the subject of Mirkwood rangers.