'Geel naakt' features bold, vibrant colors that dominate the canvas. The painting showcases a reclining nude figure, rendered in a striking yellow hue. The background is abstract and fluid, enhancing the focus on the figure itself.

The overall composition conveys a sense of warmth and intimacy. The painting is executed in oil on canvas, a medium that allows for rich texture and depth. The brushwork is expressive, with visible strokes that add dynamism to the piece. The dimensions are approximately 100 x 150 cm, making it a substantial work that commands attention.

The use of color and form reflects the artist's expressionist style. Constant Permeke was a prominent figure in Belgian Expressionism, known for his depictions of the human form. 'Geel naakt' is a notable example of his exploration of the nude, emphasizing both physicality and emotion. An interesting fact about this work is its vibrant use of color, which was a departure from traditional representations of the human body.

Permeke's work often reflects his connection to the rural landscape and the human experience.