color-lab-to-xyz

color-lab-to-xyz is a compiled Lisp function in `color.el'.

(color-lab-to-xyz L A B &optional WHITE-POINT)

Convert CIE L*a*b* to CIE XYZ.
WHITE-POINT specifies the (X Y Z) white point for the
conversion. If omitted or nil, use `color-d65-xyz'.