The Rococo style, which became popular in the mid 18th century, covers the reign of France's King Louis XV. The period is known for an increase in lower, more cushioned furniture that can be gathered into intimate groups, whimsical S- and C-shaped curves, ornate asymmetric flourishes, and a playful pastel palette. The style is preceded by the Baroque style and followed by Neo-Classical.
For more in-depth information about the Rococo style, check out:
• Rococo Loco! The Style of Louis XV and Madame de Pompadour
• Style Glossary: The Louis Styles
• ColorTherapy: A Few Notes on Rococo
• Going for Baroque (& Rococo): Ornate Mirrors & Frames
(Images: 1. Alexis Simon Belle, Louis XV, in the Versailles collection via Apartment Therapy, 2. via Apartment Therapy, 3. Nigel's Europe via Apartment Therapy, 4. Metropolitan Museum of Art via Apartment Therapy)