Problems with textcolor in tcolorboxes with page breaks

Question

When I use colored text (textcolor) in a - breakable - tcolorbox the color is restored to black after a page break. What must be changed to have, say, blue text within the whole tcolorbox?

\documentclass[11pt,a4paper,oneside]{report}
\usepackage{color}
\usepackage{tcolorbox} % Frames
\tcbuselibrary{theorems}
\tcbuselibrary{breakable}
\usepackage{cleveref} % references in tcolorboxes
\usepackage{lipsum} % references in tcolorboxes

\newtcbtheorem[auto counter, number within = chapter,
crefname={beispiel}{example},
Crefname={Beispiel}{Example} ]
{Exa}{Beispiel}{%
    breakable,
    fonttitle = \bfseries,
    colframe = green!35!black,
    colback = green!5
}{exa}


\begin{document}


\begin{Exa}{Differenzialgleichung}{DGL}
\textcolor{blue}
{
\lipsum[1-10]
}
\end{Exa}

\end{document}

Why not use coltext = blue in \newtcbtheorem? – Sigur Dec 22 '18 at 14:04 — Sigur, Dec 22 '18 at 14:04
See https://tex.stackexchange.com/a/220145/2388 – Ulrike Fischer Dec 22 '18 at 14:10 — Ulrike Fischer, Dec 22 '18 at 14:10

samcarter_is_at_topanswers.xyz · Accepted Answer · 2018-12-22T14:09:11.847

6

You can use the font colour mechanism of tcolorbox and set it as optional argument of your exa environment:

\documentclass[11pt,a4paper,oneside]{report}
\usepackage{color}
\usepackage{tcolorbox} % Frames
\tcbuselibrary{theorems}
\tcbuselibrary{breakable}
\usepackage{cleveref} % references in tcolorboxes
\usepackage{lipsum} % references in tcolorboxes

\newtcbtheorem[auto counter, number within = chapter,
crefname={beispiel}{example},
Crefname={Beispiel}{Example} ]
{Exa}{Beispiel}{%
    breakable,
    fonttitle = \bfseries,
    colframe = green!35!black,
    colback = green!5
}{exa}


\begin{document}


\begin{Exa}[coltext=red]{Differenzialgleichung}{DGL}

\lipsum[1-10]

\end{Exa}

test

\end{document}

edited Dec 22 '18 at 14:09

answered Dec 22 '18 at 14:02

samcarter_is_at_topanswers.xyz

158,329

this only works if the whole text is in the same color, not if you were only coloring part of the text – raquelhortab Sep 18 '22 at 11:05
@raquelhortab If you want to colour part of the text: https://tex.stackexchange.com/a/220145/36296 – samcarter_is_at_topanswers.xyz Sep 18 '22 at 11:07

Problems with textcolor in tcolorboxes with page breaks

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