al_color_rgb_to_lch - Man Page

#include <allegro5/allegro_color.h>

void al_color_rgb_to_lch(float red, float green, float blue,
   float *l, float *c, float *h)

Convert RGB values to CIE LCH color space.

5.2.3

al_color_lch(3), al_color_lch_to_rgb(3)

al_color_lch(3), al_color_lch_to_rgb(3).