The Plus Series Formula guides contain 1,677 solid colors, including 336 new market-relevant colors. The colors are chromatically arranged for smoother transitions between colors and more intuitive selection. All the new colors have been specially formulated to print using a uniform ink film thickness, making them easily matched on press. Ink formulations are provided to aid printers in mixing colors. The guides include a color index, a lighting evaluation tool and design software. This is a set of two guides, coated and uncoated, plus a supplement containing the new colors on coated and uncoated stock.