Color is tricky at the best of times. If you want exact color management for your book cover design (such as a particular shade of blue for a university logo), you really should use something called spot color. Spot colors are specially mixed ink colors. Like the paint you purchase for your walls, spot colors, or Pantone Matching System (PMS) colors, are mixed according to predetermined recipes. Each color in the PMS spectrum has an assigned number. When a client…