I would consider these more neutral than natural, but mine are:
MAC Vanilla, Tan, Melon, and Coco Beach Pigments
MAC Shroom, Retrospeck, Nylon, Jest, Mulch, Bronze, Greensmoke, Satin Taupe, Honesty and Vex
Stila Kitten, Wheat, Oasis, Sun, Twig, and Diamond Lil