A yellow-green color scheme involves using shades of yellow and green to create a harmonious and visually appealing aesthetic. This color combination can evoke a sense of nature and growth. It's often used in interior design, fashion, and graphic design to create a refreshing and soothing environment. In color theory, yellow-green is a secondary color formed by mixing yellow and green. It can range from a soft, muted green to a bright, vivid yellow-green.