Color is only one small piece of the story, and it’s often the least reliable. Fresh beef can look dark or purplish when it’s vacuum-packed or hasn’t met much oxygen yet, then bloom bright red once the package is opened. Store lighting, controlled-atmosphere packaging, and careful display can all enhance that appealing red tone without saying anything about how long the meat has been sitting there.
Safer choices come from slowing down and looking past the glow of the meat case. Check the use‑by or sell‑by date on every package, and avoid swollen, leaking, or badly damaged packaging, even if the meat looks perfect in color. At home, trust your senses: a strong off‑odor, slimy or sticky texture, or unusual discoloration means the meat should be thrown away, not tested. Keep meat cold, handle it quickly, and store it away from ready‑to‑eat foods. When you stop letting color make the decision for you, the meat aisle becomes far less confusing—and your kitchen a lot safer.