You can't not love the beautiful bright emerald green. For me it was always a color that meant life, renewal, nature and joy. I always associated it with growth, harmony, freshness and safety since it's the main color of a thriving nature. It is a hopeful color, a promise.
Coincidentally, malachite has been believed to help its wearer in a number of different ways. It was used to protect children from evil spirits, to protect its wearer from accidents, for easing pain.