The Ultimate 3-in-1 Color Tool, 3rd edition. New and Updated! 24 double sided cards with numbered color swatches, 5 color plans for each color, two Value Finders - Red and Green, 816 colors with CMKY and RGB formulas plus HEX numbers for website design. The color swatches are larger and includes more instruction on using the tool. Ideal for anyone who uses color in their work.