In Charlotte Morton Dexter (Mrs. Andrew Dexter), the subject is depicted in a seated position, dressed in a fashionable gown of the late 18th century. The color palette features warm tones, with soft browns and creams dominating the fabric of her dress.

Her expression is calm and composed, suggesting a sense of dignity and grace. The background is a muted landscape, which enhances the focus on her figure. The painting is executed in oil on canvas, a common medium for portraits during this period. Gilbert Stuart is known for his skillful brushwork and attention to detail, which is evident in the delicate rendering of the fabric and the subject's facial features.

The dimensions of the painting are approximately 76 x 63 cm, making it a sizable portrait that draws the viewer's attention. The composition is balanced, with the subject positioned centrally against the serene backdrop. Gilbert Stuart was a prominent American portrait painter, famous for his depictions of notable figures, including George Washington. This particular portrait of Charlotte Morton Dexter showcases his ability to capture the essence of his subjects.

An interesting fact about this work is that it reflects the fashion and social status of women in the late 18th century, highlighting the role of women in society during that time. Stuart's portraits often served as a means of preserving the likenesses of influential individuals for future generations.