vibrant impasto cave painting with textured detail and warm color palettes

abstract painting orange blue brown greg olsen style digital art techniques multilayered realism naturalistic color palette sea coast painter detailed texture speedpainting cave vibrant impasto brushstrokes textured detail warm palettes fields limited range mountains beige grayblue coastal nature speed impressionism yellow inspired max rive artwork showcases backgrounds delicate muted seascapes unmodulated creates captivating visual experience created piece characterized texture-rich canvases generated