Hey Sevi,
Can you try it with a darker green similar to this (
http://www.meridian.k12.il.us/middle%20school/student_work/carync/quaking_aspen_leaf.jpg ) and maybe a brick red (
http://www.fotosearch.com/CSP252/k2526788/) instead of the orange. Just experimenting a bit. We're for sure on the right track here! Thanks for your hard work.
Ryan