Lady in Rattan Armchair features a woman seated gracefully in a rattan armchair. The painting is characterized by soft, muted colors, predominantly in pastel shades. The figure is dressed in a flowing gown, and her expression is serene, creating a tranquil atmosphere.

The background is subtly blurred, emphasizing the subject and enhancing the sense of intimacy. Dewing employs oil on canvas to create this work, showcasing his skill in blending colors and textures. The brushwork is delicate, with a focus on light and shadow that adds depth to the figure. The dimensions of the painting are approximately 76 x 63 cm, making it a medium-sized piece.

The composition draws the viewer's eye to the woman, inviting contemplation. Thomas Wilmer Dewing was an American painter associated with the Impressionist movement, particularly known for his portraits of women. Lady in Rattan Armchair exemplifies his interest in capturing the quiet moments of femininity. An interesting fact about this work is that it reflects Dewing's fascination with the interplay of light and color, which was a hallmark of his style.

This painting is part of the collection at the Museum of Fine Arts Boston.