\input regression-test.tex
\documentclass{article}
\usepackage{osgstyler}

\DeclareOsgColorPalette{standard-block-env-test}{
  primary = {model=HTML, value=223344},
  text = {model=HTML, value=111111},
  background = {model=HTML, value=FFFFFF},
  accent = {model=HTML, value=FFD966},
  alert = {model=HTML, value=B00020},
  example = {model=HTML, value=166534}
}

\UseOsgStandardBlockEnvironments

\begin{document}
\UseOsgColorPalette{standard-block-env-test}
\START
\begin{block}{My Title}
  \TYPE{block-body=shown}
\end{block}
\begin{alertblock}{Warning}
  \TYPE{alertblock-body=shown}
\end{alertblock}
\begin{exampleblock}{Sample}
  \TYPE{exampleblock-body=shown}
\end{exampleblock}
\TYPE{done}
\END
\end{document}