Your bacon is still safe if it still has it’s natural pink color with the fat being white or yellow. If your bacon has turned brown or gray with a tinge of green or blue, that one has spoiled already. Too much exposure to air causes a chemical reaction on the meat that leads to the change in color.Click to see full answer. In this regard, what color is bacon when it’s bad?Good, non-spoiled bacon, should have a fresh, pinkish color and be bright. Bacon is a pink meat with white fat, and sometimes yellowish. If you notice that the bacon has green dots all over, looks dull or that the flesh is turning a gray-brown, then it’s not fresh bacon.Also, is shiny bacon okay to eat? It’s caused by nitrite, a chemical that’s been used to preserve and cure meats like bacon for centuries. So don’t toss out that bacon just because it looks a little bit green. That said, bacon that has turned a grayish color, smells rancid, or has green spots that resemble mold should not be eaten. Also Know, when should you not eat bacon? Basically, it changes its color – it might become somewhat brownish, grayish or even greenish. Another thing is the smell of the meat. If it smells off, it’s bad. Change of color, smell and taste, those are sure signs that bacon has gone bad and should be discarded.Can you eat bacon after a week?How long does an opened package of bacon last in the fridge or freezer? After bacon is opened, it may be refrigerated for about 7 to 10 days – the “sell-by” date on the package may expire during that storage period, but the bacon will remain safe to use after the sell by date if it has been properly stored.