---
name: "al_color_rgb_to_lch"
section: "3"
platform: "linux"
package: "allegro"
version: "5.2.11.3-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/al_color_rgb_to_lch"
---

# al\_color\_rgb\_to\_lch(3)

Allegro 5 API

## NAME

al\_color\_rgb\_to\_lch - Allegro 5 API

## SYNOPSIS

-

  ```
  #include <allegro5/allegro_color.h>
  void al_color_rgb_to_lch(float red, float green, float blue,
     float *l, float *c, float *h)
  ```

## DESCRIPTION

Convert RGB values to CIE LCH color space.

## SINCE

5\.2.3

## SEE ALSO

[al\_color\_lch(3)](/al_color_lch/3.md), [al\_color\_lch\_to\_rgb(3)](/al_color_lch_to_rgb/3.md)