Visualize a vivid and realistic graffiti art piece depicting the essence of São Paulo, Brazil. Focus on using lively and authentic colors, avoiding the use of pink. Ensure that the background is not white, and there is no text within the artwork. Design the painting in a way that preserves the integrity of the image values, and approach the paint strokes with a technique that maintains the realism of the scene. Let the composition capture the romance and culture of New York, with the Paulista avenue, and the bohemian charm of Santa Efigenia neighborhood, all presented on a non-white canvas, creating an immersive and captivating piece style saw --ar 2:3