It seems that the LaTeX reader encodes the color info in a style attribute?
(try.pandoc
<https://try.pandoc.org/?params=%7B%22text%22%3A%22%5C%5Cdocumentclass%7Barticle%7D%5Cn%5C%5Cbegin%7Bdocument%7D%5Cn%5C%5Ctextcolor%7Bblue%7D%7Bblue%7D%5Cn%5C%5Cend%7Bdocument%7D%5Cn%22%2C%22to%22%3A%22html%22%2C%22from%22%3A%22latex%22%2C%22standalone%22%3Afalse%2C%22embed-resources%22%3Afalse%2C%22table-of-contents%22%3Afalse%2C%22number-sections%22%3Afalse%2C%22citeproc%22%3Afalse%2C%22html-math-method%22%3A%22plain%22%2C%22wrap%22%3A%22auto%22%2C%22highlight-style%22%3Anull%2C%22files%22%3A%7B%7D%2C%22template%22%3Anull%7D>
)

\documentclass{article}
\begin{document}
\textcolor{blue}{blue}
\end{document}

-->

<p><span style="color: blue">blue</span></p>

On Tue, 21 Nov 2023 at 10:49, Bastien DUMONT <bastien.dumont-VwIFZPTo/vqsTnJN9+BGXg@public.gmane.org>
wrote:

> Colors are not supported by Pandoc's internal representation of the
> document. To get an idea of what Pandoc takes account of, simply read the
> “Pandoc's Markdown” section in the manual (
> https://pandoc.org/MANUAL.html#pandocs-markdown): even if you don't use
> markdown, it reflects the elements supported by the software. If you are
> comfortable with it, you can also use the Lua reference for Pandoc's types (
> https://pandoc.org/lua-filters.html#lua-type-reference).
>
> There are good news, however. If you use:
>
>   pandoc -s -f latex+raw_tex -t markdown
>
> you will see that the option “raw_tex” instructs Pandoc to include all
> LaTeX code it doesn't understand as raw LaTeX snippets (RawInline type)
> instead of ignoring them. It should be possible to process these RawInline
> objects with a filter to transform them into raw DOCX code to be inserted
> in the DOCX output. Maybe someone on this list already wrote it?
>
> Le Tuesday 21 November 2023 à 12:45:35AM, 姜政毅（贪吃的小神仙） a écrit :
> > I am trying to convert latex to docx with pandoc.
> >
> > LaTeX code is very simple:
> >
> > \documentclass{article}
> > \usepackage{xcolor}
> > \begin{document}
> > This is a \textcolor{blue}{blue} word.
> > \end{document}
> >
> > And I convert it to docx by command
> > pandoc -s file.tex -o file.docx
> >
> > But file.docx do not have color. Can anybody tell me what is going on
> here?
> >
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> >
> > References:
> >
> > [1] mailto:pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > [2]
> https://groups.google.com/d/msgid/pandoc-discuss/82960ecf-864e-4379-9726-303997983cebn%40googlegroups.com?utm_medium=email&utm_source=footer
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