In Coquelin Aîné, Henri de Toulouse-Lautrec captures the essence of the famous French actor. The painting features vibrant colors, with rich reds and deep blacks dominating the palette. The figure of Coquelin Aîné stands out against a muted background, drawing the viewer's attention.

His expressive pose and facial features convey a sense of theatricality and charisma. The painting is executed in oil on canvas, a medium that allows for the vivid color and texture seen in the work. Toulouse-Lautrec's brushwork is loose yet deliberate, creating a lively representation of the actor. The dimensions of the painting are approximately 65 x 81 cm, making it a relatively large portrait.

The use of color and form reflects the Post-Impressionist style, emphasizing emotion and movement. Henri de Toulouse-Lautrec was known for his depictions of Parisian nightlife and its personalities. Coquelin Aîné was painted in 1896, during a time when the artist was deeply involved in the theater scene. This work is significant as it showcases Lautrec's ability to blend portraiture with the vibrancy of performance art.

Interestingly, Coquelin Aîné was not only an actor but also a playwright, adding depth to his portrayal.