Organic agriculture is an ecological production management system that promotes and enhances biodiversity, biological cycles and soil biological activity. It is based on minimal use of off-farm inputs and on management practices that restore, maintain and enhance ecological harmony.
Try using the milk chocolate melts with some black coloring for the black and some white chocolate melts with the yellow and black colorings for the gold (reminder: use the black VERY sparingly).
1 High-quality chocolate contains a high percentage of cocoa solids (60 %). It is brown or dark brown in color, and is glossy. Avoid purchasing chocolate that has a grayish tone, white spots on the surface, or small holes.  A small portion of high quality dark chocolate is recommended.