What spider is turquoise in color with black legs and an orange spot on its back?

The spider you’re describing is likely the Peacock Spider, specifically species from the genus Maratus. These small, colorful jumping Spiders are known for their vibrant hues, including turquoise, and distinctive markings. The males often have elaborate courtship displays, showcasing their striking colors, including orange spots. However, it's important to note that variations can occur, so identification may depend on the specific species.