In Portrait de Lydia, Henri Matisse employs a vibrant palette dominated by rich reds, greens, and blues. The figure of Lydia is depicted with bold brushstrokes, emphasizing her features and expression. She is seated against a contrasting background that enhances her presence.

The overall composition is lively and engaging, drawing the viewer's attention to Lydia's gaze. The painting is characterized by Matisse's signature use of color and form, typical of the Modernism movement. The brushwork is loose and fluid, allowing for a sense of spontaneity. The dimensions are approximately 65 x 81 cm, making it a medium-sized canvas.

The oil on canvas medium allows for the vibrant colors to shine through, creating a dynamic visual experience. Henri Matisse created Portrait de Lydia around 1905, a period when he was exploring the boundaries of color and expression. Lydia was a model who inspired Matisse, and this work reflects his interest in portraying the human figure with emotional depth. An interesting fact is that this painting is part of the collection at the Musée d'Orsay, which houses many of Matisse's significant works.