I used Zoya Louise for the brown, it's pretty much the most perfect chocolately footbally brown I own.
Here's a quick tutorial: Start with solid brown nails. For the grassy nail, I used a base of a green texture (Chita) and then layered over green bar glitter (Rina) and I'm super happy with the way it came out! It really looks like turf!
Use a white striper to draw football laces on the brown nails. That's it!
Here's the Line up:
|from L: Louise, Chita, Rina, white striper|