Vivid shades of purple, yellow, and blue weave a stunning tapestry of murals hidden in an alleyway behind a small strip of shops in Lemon Grove. The murals came to life when Sydel Howell and her mother, who own the medical supply store some of the murals are painted on, were inspired by a trip to the Wynwood Art District in Miami, Florida. After seeing the work of Beth Emmerich on a tattoo shop in North Park, Howell hired her to paint a couple of walls on the back of her building at…