Which of the following is NOT one of the four modes of painting in Renaissance art?

The correct response identifies "Diegesis" as not being one of the four recognized modes of painting in Renaissance art. The concept of diegesis typically relates to narrative storytelling, particularly in literature and film, rather than a painting technique or style.

In contrast, grisaille, chiaroscuro, and sfumato are significant painting techniques developed during the Renaissance. Grisaille refers to painting in shades of gray to simulate sculpture, often used to create a three-dimensional effect. Chiaroscuro refers to the use of strong contrasts between light and dark to give the illusion of volume in modeling three-dimensional objects and figures. Sfumato, a technique pioneered by Leonardo da Vinci, involves the delicate blending of colors and tones to create soft transitions and edges.

Thus, while the first three terms are integral to the study and practice of Renaissance art, diegesis does not belong to this category, as it describes a narrative framework rather than a painting technique. Each of the other terms represents a specific method utilized by artists to enhance the visual impact and depth of their works during this influential period in art history.