.TH "al_color_rgb_to_hsl(3alleg5) Allegro reference manual" "" "" "" "" .SH NAME .PP al_color_rgb_to_hsl \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ void\ al_color_rgb_to_hsl(float\ red,\ float\ green,\ float\ blue, \ \ \ float\ *hue,\ float\ *saturation,\ float\ *lightness) \f[] .fi .SH DESCRIPTION .PP Given an RGB triplet with components in the range 0..1, return the hue in degrees from 0..360 and saturation and lightness in the range 0..1. .SH SEE ALSO .PP al_color_hsl_to_rgb(3alleg5), al_color_hsl(3alleg5)