candy₂O Brilliant transparent colors for custom refinishing and airbrushing. candy₂O combine advanced water-soluble, urethane resin technology with crystal-clear dyes to create truly exceptional candy colors. candy₂O are concentrate. Add 10% per volume (9:1 mix ratio) 4030 Intercoat for spray performance. Optional lowering of viscosity is achieved by reducing with either 4012 High Performance or 4020 Automotive Reducer.