theme: watercolour paint rock guitarist in a watercolor technique. Soft gradients, gentle color bleeds, and a palette drawing from real-world watercolor shades like cerulean blue, burnt sienna, and rose madder are essential. no mockups. on white background

主题：水彩技术中的水彩油漆摇滚吉他手。柔软的梯度，柔和的颜色流血以及来自现实世界中水彩画的调色板，例如Cerulean Blue，Burnt Sienna和Rose Madder。没有模型。在白色背景