Real World Color Management, Second Edition

Glossary

ΔE(Pronounced “delta-E.”) Generically, the computed degree to which two colors appear to match. Usually calculated in CIELAB, but other color-differencing systems exist.

absolute colorimetricSee colorimetric intent.

achromaticThe attribute of light from a surface or light source that relates to the amount of light—specifically, its brightness. Contrast with chromatic.

additive primariesThree light sources chosen so that they can reproduce other colors by addition of wavelengths. One primary contributes long wavelengths (red), another the medium wavelengths (green), and the other the short wavelengths (blue). See also subtractive primaries.

AM screeningAlso known as a halftone. In printing, a method of doing screening where the frequency ...