Alex Katz's piece titled Ariel 4 is a captivating example of his minimalist portraiture, utilizing warm, muted tones to create a striking and elegant composition. The artwork features a close-up view of a woman's face, focusing on her right eye, lips, and flowing hair. The portrait is rendered in soft, golden hues that contrast subtly with the woman's darker features, emphasizing the simplicity and clarity of Katz's lines.

In Ariel 4, Katz's use of flat, unmodulated colors highlights the essential forms and contours of the subject's face and hair. The woman's face is partially cropped, drawing attention to the expressive detail of her eye and the gentle curve of her lips. Her flowing hair is depicted with clean, sweeping lines, adding a sense of movement and grace to the composition.

The background is a warm, golden tone that complements the colors used in the subject's face and hair, creating a cohesive and harmonious effect. Katz's minimalist approach, with its focus on essential features and bold contrasts, allows viewers to engage deeply with the subject, appreciating the refined beauty and emotional nuance captured in the portrait.