I just pick about 20 limes off our tree and they were yellow inside and gave off a strange smell not the citrus lime smell, The outside color was green and little ” bits of yellow on some but not all. I thought they were just old but even yellow they should have been still good inside the fruit. Traci Loving Duarte California
Certified GKH Gardening Expert
It sounds like they have gotten too ripe on the tree! If you know that they weren't too ripe, then it could be an infection. Usually, this will come with other symptoms, as well.
Here are some articles that will help: