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).
According to What's Cooking America, chocolate melts because its cocoa butter crystals liquefy when heated. The melting point of a given chocolate type is inversely proportionate to its cocoa butter content. White chocolate melts at a low temperature because it contains more cocoa butter than other types of chocolate. Dark chocolate, which contains the smallest percentage of cocoa butter, has a higher melting point.