It refers to the shades of color next to the dark red. A color that has the same name, Garnet gemstone. It is presumed that it comes from latin Punica, which means dark red. It is possible that this name the color, will be determined to allude to color that are the seeds of the fruit of the pomegranate (Punica granatum) or dye extracted from European cochineal (Dactylopius coccus), which has as other common names of cochineal Carmine or cochineal grana.