In Nu sur un fauteuil, a nude woman reclines comfortably on a chair. The colors are soft and warm, with a palette dominated by flesh tones, gentle blues, and touches of green. The figure is portrayed in a relaxed pose, emphasizing her natural beauty.

The background is less defined, allowing the viewer to focus on the subject. The painting showcases Renoir's signature brushwork, with visible strokes that create a sense of movement and life. The light falls delicately on the woman's skin, enhancing the softness of her form. Renoir's use of color and light captures the essence of the Impressionist style, emphasizing the play of light on surfaces.

The composition draws the eye to the figure, making her the focal point of the artwork. Pierre-Auguste Renoir was a leading figure in the Impressionist movement, known for his depictions of beauty and joy. Nu sur un fauteuil reflects his interest in the female form and the exploration of intimacy. An interesting fact about this work is that it exemplifies Renoir's transition towards a more sensual and personal style in the 1870s.

This painting is a testament to his ability to capture the essence of human emotion through color and form.