This measurement is called “projection” and can be found in the images on our product pages at our retailer partner websites. Generally, square shaped pulls will have wider projections for larger hands or knuckles. Here's an example for the solid bar pull.
Because of how our finishes are crafted, slight color differences between batches are normal. Even with these subtle variations, champagne bronze pieces are made to coordinate, so your faucet, accessories, and hardware will still look harmonious together.