In 4 Gats. Pere Romeu, we see a lively portrait of Pere Romeu, a prominent figure in Barcelona's cultural scene. The colors are warm, with rich browns and soft yellows that create an inviting atmosphere.

Romeu is depicted seated, wearing a stylish outfit that reflects the fashion of the time. The background features a hint of the café's interior, adding context to the setting. The painting is executed in oil on canvas, showcasing Ramón Casas' skillful brushwork and attention to detail. The dimensions are approximately 80 x 100 cm, making it a substantial piece that draws the viewer in.

The use of light and shadow enhances the three-dimensionality of Romeu's figure, giving it a lifelike quality. The composition is balanced, with the figure of Romeu centered against the background. Ramón Casas was a key figure in the Catalan Modernisme movement, known for his portraits and depictions of contemporary life. 4 Gats.

Pere Romeu is particularly interesting as it captures the essence of the café culture in early 20th-century Barcelona. This work not only highlights Romeu's personality but also serves as a historical document of a vibrant social scene. Casas' ability to blend realism with a modern aesthetic makes this painting a notable example of his oeuvre.