At the turn of the century, the French Academy was divided rather sharply between two doctrines. One taught that form was the most important element in the painting (Poussiniste) and the other taught that color was the most important element (Rubeniste). Which doctrine did the Rococo artist follow?

Doctrine of color

Explanation:

Rococo artists was famous for rapid brushwork often finishing paintings within an hour. It stresses main arts only, uses mirrors and reflections to blur and create a world of dream, totally free and asymmetric in style with irregular lines and contours usually mundane or palace life scenes depicting the persuit of pleasure and leisure time of the wealthy.

As the  the French Academy was divided rather sharply between two doctrines. One taught that form was the most important element in the painting (Poussiniste) and the other taught that color was the most important element (Rubeniste), the rococo artist follow doctrine of color.