Function: color-lab-to-lch

color-lab-to-lch is a byte-compiled function defined in color.el.gz.

Signature

(color-lab-to-lch L A B)

Documentation

Convert CIE L*a*b* to L*C*h*.

Source Code

;; Defined in /usr/src/emacs/lisp/color.el.gz
(defun color-lab-to-lch (L a b)
  "Convert CIE L*a*b* to L*C*h*."
  (list L (sqrt (+ (* a a) (* b b))) (atan b a)))