Hello,
The count is up to you. Aida comes in various different counts....10, 11, 14, 16, 18, etc...so that part has to be decided by the stitcher and what they are comfortable stitching on. Fiddler's cloth only comes in 14 and 18 on our website and it only comes in 2 colors...Oatmeal and Oatmeal Light. These two colors are very natural looking and obviously the Oatmeal light is the lighter shade of the two. As far as the Aida fabric goes, once you decide what count of fabric you want to use, you can choose your color. Each count has their own color selection....the colors we have for 14ct. aren't the same for what we have available in 16ct. so you would have to decide you count and then choose your color next. We have a fabric page here on our website:
http://www.everythingcrossstitch.com/cross-stitch-fabric-mrl-y2.aspx
From those pages you can look and see what colors you like based on what count of fabric you are wanting to use.
~Kristi @ ECS