> For the complete documentation index, see [llms.txt](https://aptivi.gitbook.io/aptivi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aptivi.gitbook.io/aptivi/colorimetry-manual/welcome.md).

# Welcome

Colorimetry is a library that allows you to centrally manage colors in various types, from 16 console colors to 256 console colors, with true color support in various formats. It does not only provide RGB, CMYK, and CMY support, but it also provides tools related to transformation and other common and uncommon color manipulation tools.

## <mark style="color:$primary;">Release history</mark>

Below is the release history of the library:

{% updates format="full" %}
{% update date="2026-07-06" %}

## <mark style="color:$primary;">v1.2.2</mark>

<mark style="color:yellow;">Updated Textify</mark>
{% endupdate %}

{% update date="2026-07-06" %}

## <mark style="color:$primary;">v1.2.1</mark>

<mark style="color:yellow;">Updated Textify</mark>
{% endupdate %}

{% update date="2026-06-11" %}

## <mark style="color:$primary;">v1.2.0.1</mark>

<mark style="color:yellow;">Fixed YCbCr localizations</mark>
{% endupdate %}

{% update date="2026-06-10" %}

## <mark style="color:$primary;">v1.2.0</mark>

<mark style="color:green;">Added YCbCr color model (SDTV, HDTV, and HiVision)</mark>
{% endupdate %}

{% update date="2026-06-03" %}

## <mark style="color:$primary;">v1.1.0</mark>

<mark style="color:green;">Added YPbPr color model (SDTV, HDTV, and HiVision)</mark>

<mark style="color:green;">Added YDbDr color model</mark>

<mark style="color:green;">Added LMS color model</mark>
{% endupdate %}

{% update date="2026-06-03" %}

## <mark style="color:$primary;">v1.0.1.1</mark>

<mark style="color:yellow;">Fixed issues related to transformation functions</mark>
{% endupdate %}

{% update date="2026-06-03" %}

## <mark style="color:$primary;">v1.0.1</mark>

<mark style="color:yellow;">Updated libraries</mark>
{% endupdate %}

{% update date="2026-01-11" %}

## <mark style="color:$primary;">v1.0.0.1</mark>

<mark style="color:yellow;">Fixed Color.Empty property</mark>
{% endupdate %}

{% update date="2026-01-11" %}

## <mark style="color:$primary;">v1.0</mark>

The initial release of the library is now live!
{% endupdate %}
{% endupdates %}