In Portræt af Lili Elbe med grøn fjervifte, Gerda Wegener captures Lili Elbe in a striking pose. The painting features vibrant colors, with a focus on the green feather fan that Lili holds. The background is softly rendered, allowing Lili's figure to stand out.

Her attire reflects the fashion of the time, adding to the overall elegance of the portrait. The painting is executed in oil on canvas, showcasing Wegener's skill in blending colors and textures. The use of light highlights Lili's features, creating a sense of depth and dimension. The intricate details of the feather fan draw the viewer's eye, emphasizing its importance in the composition.

Overall, the work exemplifies the Art Nouveau style, characterized by its flowing lines and organic forms. Gerda Wegener was a prominent figure in the early 20th-century art scene, known for her depictions of gender and identity. This portrait of Lili Elbe, a transgender pioneer, is significant not only for its artistic merit but also for its cultural impact. Lili Elbe was one of the first known recipients of gender confirmation surgery, making this work a powerful representation of her identity.

Wegener's relationship with Elbe adds a personal dimension to the painting, reflecting their shared experiences.