If it's like previous games it's set when you make your island and what color schemes you have of items are locked to that. Before it was the grass pattern (triangles, circles or squares) and there would be certain items that would literally never show up unless you visited others. This time I think it's the plane colour that's your hint but it seems like you can still get everything just not in all colours.Damn, there were orange hats?!
I really wish this game was better at picking up on personal preferences/tastes.