70th retro ink drawing - flower power

70th abstract and black color drawing flower power forms happiness ink pencil love old peace peaceful red reminds retro round rounded shape shapes time times art composition artwork work picture sketch likeness design artistic artist brushing decorating glow hue intensity paint stain blush cast chroma chromaticity chromatism coloration coloring complexion dye iridescence luminosity pigment pigmentation saturation tinct tincture tinge undertone value chromism polychromasia form arrangement pattern structure style appearence configuration conformation contour figure formation framework outline silhouette