In Louis-Marie, Vicomte de Noailles, the subject is depicted in a formal pose, wearing an elegant dark coat with a white cravat. The background features a muted landscape, enhancing the focus on the figure. The colors are rich yet subdued, with deep blues and browns dominating the palette.

The overall composition conveys a sense of dignity and status. This painting is executed in oil on canvas, a popular medium for portraiture in the 18th century. The dimensions are approximately 76 x 63 cm, making it a sizable work that commands attention. Viewers can appreciate the meticulous brushwork that captures the texture of the fabric and the subtle play of light on the subject's face.

The artist's skillful use of color adds depth to the portrayal. Gilbert Stuart, an American painter, is best known for his portraits of prominent figures, including George Washington. This particular work reflects the artist's ability to convey personality and character through facial expression and posture. An interesting fact about this painting is that it was created during a time when Stuart was gaining recognition in America and Europe.

The portrait of Louis-Marie de Noailles exemplifies the artist's transition into a celebrated portraitist.