In Nu au fauteuil, we see a nude woman seated gracefully in a chair. The colors are soft and warm, with a palette dominated by flesh tones, gentle blues, and hints of green. The figure's relaxed pose contrasts with the vibrant brushstrokes that define her surroundings.

The background is less detailed, allowing the viewer to focus on the subject's form and expression. This painting is an example of Impressionism, characterized by loose brushwork and a focus on light. Renoir uses oil on canvas to create a sense of immediacy and intimacy. The dimensions of the artwork are approximately 81 x 65 cm, making it a sizable portrait.

The composition emphasizes the curves and softness of the female figure, inviting viewers to appreciate the beauty of the human form. Pierre-Auguste Renoir created Nu au fauteuil around the mid-1870s, a time when he was exploring themes of beauty and femininity. This work is notable for its celebration of the female nude, a subject that Renoir often revisited throughout his career. Interestingly, Renoir was known for his ability to capture the effects of light on skin, making his nudes appear both lifelike and sensual.

Today, this painting is housed in the Musée d'Orsay in Paris, a fitting location for such a significant work.