Doux portrait de sirène dans un jardin sous-marin enchanté

A portrait of a beautiful mermaid with flowing pastel hair, shimmering scales, and a gentle smile, floating in an enchanted underwater garden with coral and sea anemones, soft diffused lighting from above, pastel blue, green, and pink color palette, whimsical and lovely watercolor style, close-up portrait shot emphasizing her delicate features and dreamy expression.

harsh lines, photorealistic details, dark colors