Which painting mode of Renaissance art emphasizes the smooth transformation of colors?

The painting mode that emphasizes the smooth transformation of colors during the Renaissance is known as "unione." This technique involves blending colors in a way that creates soft transitions and subtle gradations, achieving a harmonious and atmospheric effect in the artwork. Unione is often associated with the work of Renaissance masters who sought to portray light and shadow in a more delicate manner compared to other methods.

While other techniques like chiaroscuro deal with the contrast of light and shadow to create volume and depth, unione focuses specifically on color blending without harsh transitions. Cangiante refers to a method where colors are changed abruptly rather than blended, emphasizing the use of contrasting colors for effect. Sfumato, on the other hand, is characterized by softening the transition between colors and is closely related to unione, but is more focused on the effect of soft edges rather than just color blending.

Understanding these distinctions highlights why unione is particularly recognized for its smooth transformation of colors, which aligns with the techniques and aesthetics of Renaissance art.