In Willem Backer (1656-1731), Nicolaes Maes presents a detailed portrait of the subject. The colors are rich, with deep browns and warm skin tones that highlight the figure's features. The background is softly blurred, drawing attention to Backer's face and attire.

The setting suggests a domestic environment, typical of the intimate portraits of the Dutch Golden Age. The painting is executed in oil on canvas, a common medium for portraits during this period. Maes employs a realistic style, capturing the textures of the fabric and the subtle play of light on the skin. The composition is balanced, with Backer positioned centrally, allowing for a direct engagement with the viewer.

The attention to detail in the clothing and facial expression reflects Maes' skill as a portrait artist. Nicolaes Maes was a prominent Dutch painter known for his portraits and genre scenes. This work, created in the late 17th century, showcases the artist's transition from genre painting to portraiture. An interesting fact about this painting is that it reflects the growing interest in individual identity during the Dutch Golden Age, as patrons sought to commemorate their status through portraiture.