A contemporary graffiti artist creating a massive mural on an urban brick wall at dusk, spray can in hand with focused creative expression, rendered in meticulous Renaissance oil painting technique with dramatic Caravaggio chiaroscuro, worn hoodie and paint-splattered jeans catching warm amber streetlight, colorful spray paint cans and sketched design outlines detailed with old master precision, rich burgundy red and deep midnight blue palette with electric neon pink accents, baroque compositional balance, energetic atmosphere of urban street art culture as if painted by Caravaggio meeting contemporary graffiti culture