In Homme assis, Henri Matisse presents a seated man, characterized by bold and vibrant colors. The figure is depicted against a simplified background, which emphasizes his presence. The use of flat areas of color creates a striking contrast that draws the viewer's eye.

Matisse's unique style is evident in the fluid lines and the expressive use of color. The painting is executed in oil on canvas, showcasing Matisse's signature technique of layering color. The dimensions are approximately 65 x 81 cm, making it a medium-sized work that invites close viewing. The brushwork is loose yet deliberate, allowing for a sense of movement within the stillness of the portrait.

The composition is balanced, with the figure centrally placed, creating a focal point for the viewer. Henri Matisse was a leading figure in the Fauvism movement, known for his use of color and form. Homme assis reflects his exploration of emotional expression through color rather than realistic representation. An interesting fact about this work is that it exemplifies Matisse's transition towards a more abstract style, which would influence modern art significantly.

The painting is currently housed in the Musée d'Orsay, a fitting location for such a pivotal piece of modernist art.