Olive green for a warm autumn is almost the typical olive green. It is a warm green-yellow but not bright. These 3 colors are directly next to each other on the warm autumn color wheel creating an analogous color scheme. Beautiful. You can almost feel the heat from these warm colors. Perfect for a warm autumn.
Mix these colors up, because any of these 3 colors would look amazing as a top for you.
Another color you could wear with olive green is a soft pink from the warm autumn color palette. This would give you a friendly and flirtatious look.
I found 2 mood boards that illustrates this color scheme. Both are perfect for warm autumns.