logo design emphasizing the freshness of Jeju’s nature, using bright orange (#FFA500) to represent tangerines, teal (#008080) to symbolize the Jeju sea, and green (#228B22) for Hallasan Mountain, incorporating simplified shapes of Hallasan and ocean waves, circular design inspired by the round shape of tangerines, clean and modern feel, handwritten style for the text "Jeju Sweet Tangerine Market," warm and natural overall vibe