The colors you see on your screen will never match the colors in your prints exactly. CMYK printing is the standard in the printing industry. CMYK stands for cyan, magenta, yellow, black and is the color profile used in print. How choose the right color? A print test is necessary. First look at the print CMYK Color Guide. The color guide is an inspiration for design of your documents, graphic, brands, logos, books, covers... // Table of Contents: /Front page - 1 p. /Cards - 3-41 pp. (I: Cyan, Magenta, Yellow, Black; II: Black-Cyan; III: Black-Magenta; IV: Black-Yellow; V: Cyan-Magenta; VI-XV: Cyan-Magenta-Yellow; XVI-XVIII: Cyan-Magenta-Yellow-Black; XIX: Text and Background; XX: Lines) /End page - 43, 44 pp. // Best regards and thank you for buying! :)