What are spot colors for food packaging bag printing? The spot color of food packaging bags means that when printing, it is not synthesized by printing C, M, Y, and K four colors. The printing of food packaging bags uses a specific ink to print the color, but uses a special ink to print the color. A specific ink to print that color. Spot color inks are produced by the printing house’s leading blender or ink factory. For each spot color of the printed product, the food packaging bag has a special color version corresponding to the printing. Use spot colors to make colors more accurate. Although colors cannot be accurately represented on a computer, the Pantone Color Matching System creates detailed color swatches by using standard color matching system preprinted color swatches to see the exact color of that color on the paper. More food packaging bag knowledge: www.yltpacking.com