IRIS : a rainbow or a rainbowlike appearance. CACAO: beanlike seeds from which cocoa, cocoa butter, and chocolate are made. Being that chocolate has over 600 flavor compounds, the design for IRIS+CACAO 's packaging are hand painted illustrations/color studies that are based on the notes/flavor of each of chocolate. The arc cutout allows the illustration become part of the logo and change depending on the flavor of the chocolate bar.