al_color_rgb_to_lab(3)                                  al_color_rgb_to_lab(3)

NAME
       al_color_rgb_to_lab - Allegro 5 API

SYNOPSIS

              #include <allegro5/allegro_color.h>

              void al_color_rgb_to_lab(float red, float green, float blue,
                 float *l, float *a, float *b)


DESCRIPTION
       Convert RGB values to L*a*b* color space.

SINCE
       5.2.3

SEE ALSO
       al_color_lab(3), al_color_lab_to_rgb(3)

Allegro reference manual                                al_color_rgb_to_lab(3)