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

\begin{document}
\START
\TYPE{reverse-active=\OsgActiveColorPalette}
\extractcolorspec{osgstyler-primary}\TestColor
\TYPE{reverse-primary=\TestColor}
\END
\end{document}