Your project specification or material finish warranty likely has some language that you may gloss over thinking, “it’s all Greek to me.” Here’s a quick introduction to Delta E to demystify conversations on color and empower you to demand more from your material manufacturer.
Delta E (or ∆E) is a calculation of the change in color as measured in the Hunter Lab color space on a three-dimensional axis L a b.
Delta E represents the difference between a given color and a different color. Because visual perception can vary, color is defined in a 3D color space using a three-point axis. There are two important reasons to measure color difference. First
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