What artistic features connect Antoine Watteau to the Rococo style?

Antoine Watteau is considered a foundational figure of the Rococo style, which emerged in 18th-century France as a reaction against the heavy, formal aesthetic of the previous era. His work is characterized by several key features that define the movement:12

• The Fête Galante: Watteau is credited with bringing this genre to its height. These paintings depict aristocratic figures in parklike settings, engaging in courtship, play, and idle conversation. This focus on lighthearted, amorous themes is a hallmark of Rococo painting.32
• Atmosphere and Tone: His work is noted for a "dreamy, romantic fantasy" quality, often infused with a sense of gentle melancholy. Unlike the rigid classicism of the past, his style is graceful, delicate, and evanescent.45
• Theatrical Influence: Watteau drew significant inspiration from the commedia dell’arte and the opéra ballet. His paintings often function as chromatic transpositions of these ephemeral theatrical forms, emphasizing gesture and fleeting imagery over solemnity.15
• Stylistic Elements: His compositions feature rich, delicate brushwork and a relatively light tonal key, reflecting the Rococo preference for intimacy, sensuous coloring, and naturalistic, curving forms.2