This enchanting scene portrays a blue and white mermaid gazing up at a fish swimming in the depths of the sea. Her long, flowing hair is shimmering in the light as she looks on curiously. With her wide eyes and slightly open mouth, she appears to be filled with wonder. To color this scene, you could use a mix of blues and purples to give the water its depths. For the mermaid, you might use a combination of blues and whites to give her a dreamy, otherworldly look. As for the fish, you could use several shades of orange and yellow to bring it to life. Finally, you could use soft, natural tones to give movement to the mermaid's hair.