'Nu demi couché' features a reclining nude figure, rendered in bold and vibrant colors. The figure is positioned on a bed, surrounded by a rich palette of reds, greens, and blues. Matisse's use of color creates a sense of warmth and intimacy.

The background is simplified, allowing the figure to stand out prominently. The painting is executed in oil on canvas, showcasing Matisse's signature brushwork and color application. The dimensions are approximately 100 x 73 cm, making it a sizable work that draws the viewer's attention. The figure's form is stylized, emphasizing curves and shapes rather than realistic anatomy.

This approach is characteristic of Matisse's modernist style. Henri Matisse was a leading figure in the Fauvism movement, known for his bold use of color. 'Nu demi couché' was created around 1906, during a period when Matisse was exploring the representation of the human form. An interesting fact about this work is that it reflects Matisse's interest in simplifying forms and using color to convey emotion.

This painting is now housed in the Musée d'Orsay in Paris.