one or two exact-matches doesn't affect the score much. It considers the aggregate similarity of the 150 most similar icons, out of 1M icons. In Apple's case it

one or two exact-matches doesn't affect the score much. It considers the aggregate similarity of the 150 most similar icons, out of 1M icons. In Apple's case it's mostly because there are a lot of apple icons that look very similar. Apple's logo is iconic because they've built a brand for decades and with billions of dollars. Without that, maybe the shape itself isn't so unique? the color/contrast score is 50% color and 50% contrast. So a b/w logo will get exactly 50%