Sheetfed Closed-Loop Color Control

“It’s Easier Than You Think!” Is your closed-loop color control system showing it’s age or require expensive repairs? Any chance it was made by that “X” company? Upgrading to a new Techkon SpectroDrive can improve your productivity enough to cover the cost. Find out why KBA, Heidelberg, Manroland, Komori, RMGT, Sakurai, Goss, Akiyama and more are retrofitting their presses with Techkon press-side color measurement solutions. After reading about the advantages for sheet-fed offset presses, use…

CIE ΔE* (Color Difference) Equations

The intent of using deltaE (ΔE) is to describe the distance between two colors. The Just Noticeable Difference (JND) of deltaE is usually 1. In other words, if two colors have a deltaE less than 1 it is imperceptible and larger than 1 is perceivable. Unfortunately, due to the nature of human color perception (our eyes), the visual perception of colors is different. In general, our eyes are more sensitive to changes in Chroma than…