The video shows a close-up of a paintbrush with yellow paint on it. The brush is being moved back and forth on a white surface, leaving behind a trail of yellow paint. The brush appears to be made of a green material, and the yellow paint is bright and vibrant. The white surface provides a stark contrast to the yellow paint, making it stand out. The motion of the brush is smooth and consistent, suggesting that the person holding the brush is experienced in painting.