Rivas' artistic style was characterized by meticulous detailing, vibrant color palettes, and a strong sense of narrative. He frequently painted scenes that evoked the romance and splendor of bygone eras, often incorporating elements of Orientalist and Rococo influences. His works demonstrated a masterful rendering of textures—whether the luxurious fabrics of his figures’ garments or the intricate architectural details of lavish interiors. His ability to create intimate yet grand compositions made him a sought-after artist among collectors who appreciated both historical storytelling and decorative refinement.