al_color_hsl - Allegro 5 API

       Return an ALLEGRO_COLOR(3alleg5) structure from HSL (hue, saturation, lightness) values.

       Parameters:

       • hue - Color hue angle in the range 0..360

       • saturation - Color saturation in the range 0..1

       • lightness - Color lightness in the range 0..1

       al_color_hsl - Allegro 5 API

al_color_hsl_to_rgb(3alleg5), al_color_hsv(3alleg5)

Allegro reference manual                                                                   al_color_hsl(3alleg5)

              #include <allegro5/allegro_color.h>

              ALLEGRO_COLOR al_color_hsl(float h, float s, float l)