Painting of a woman wearing a white hat on a blue background, impressionist style, thick brushstrokes, oil on canvas, soft natural light, light pastel color palette, inspired by Mary Cassatt, gentle facial expression, loose brushwork, subtle texture, warm undertones, 19th-century aesthetic, soft shadows, vintage feel, slightly desaturated tones, delicate highlights, relaxed posture, elegant simplicity, airy composition, subtle contrast, fine art portrait, reminiscent of the Belle Époque.