A magical surreal Niji style artwork, featuring a close-up of a mermaid, illuminated by blue, purple, and gold hues. The scene is set in a fantastical underwater world, with whimsical sea creatures and vibrant coral reefs in the background. The mermaid's face is prominently displayed, her eyes and features highlighted with blue, purple, and gold accents, creating a dynamic and enchanting composition. The lighting is surreal, with blue, purple, and gold tones casting a dreamlike and mystical atmosphere.