This painting was made using a "color chord." Just as music theory, where a combination of three or more notes that blend harmoniously when sounded together makes a cord, a color chord is a similar concept using light rather than sound waves.  Product features - Water-resistant surface for easy cleaning - High-definition archival print fused to 0.25" grade-A acrylic - French cleat backing with screws and setup instructions included - Hand-polished crystal-clear edges with white vinyl backing - Available in five sizes; horizontal and vertical orientations Care instructions - Clean with soft cloth and water. Do not use cleaning solutions with alcohol or chemicals.