In Portrait of Petronella Cornelia Rømeling, the subject is depicted in a formal setting, dressed in elegant attire. The colors are rich, with deep blues and warm earth tones dominating the palette. Petronella's expression is serene, and her gaze is directed slightly off to the side, suggesting a moment of contemplation.

The background is subtly rendered, allowing her figure to stand out prominently. The painting is executed in oil on canvas, a common medium for portraiture in the 18th century. The artist employs a realistic style, capturing the details of Petronella's clothing and the textures of her skin. The composition is balanced, with her figure centrally placed, drawing the viewer's attention.

The use of light and shadow adds depth, enhancing the three-dimensionality of her form. Jens Juel was a prominent Danish painter known for his portraits during the Danish Golden Age. This work, created in the late 18th century, reflects the growing interest in individualism and personal identity in portraiture. An interesting fact about this painting is that it showcases the fashion of the time, highlighting the intricate details of Petronella's dress.

Juel's ability to capture the essence of his subjects made him a sought-after artist among the Danish elite.