Colour difference CIE76 (Euclidean distance in Lab*)

Colour difference CIE76 (Euclidean distance in Lab*)

Usage

delta_e76(lab1, lab2)

Arguments

lab1, lab2

n x 3 matrices (or vectors of length 3, recycled).

Value

Numeric vector of \(\Delta E^*_{ab}\); ~2.3 is a just-noticeable difference (Sharma 2003).

Examples

delta_e76(c(50, 0, 0), c(52, 1, -1))
#> [1] 2.44949