C&T
Ultimate 3-In-1 Color Tool

It's as easy as 1, 2, 3...Start with the desired color card. Choose one of the color scheme options. Find the corresponding companion color cards to create the perfect color combination. Includes CMYK and RGB formulas, plus Hex numbers for website design. 24 color cards plus an in-depth instructional guide make color planning easy. Created by Joen Wolfrom. ISBN: 9781607052357.