Create a captivating image of Princess Ariel as a black mermaid, showcasing her with rich ebony skin that glows with an enchanting radiance beneath the ocean's light. Imagine her with stunning, fiery red hair, flowing and voluminous, complementing her vibrant personality. Capture the essence of her elegance and grace, celebrating diversity and presenting a breathtaking representation of Princess Ariel as a black mermaid with striking red hair.