\setuppapersize[A10][A10]
\setuplayout[cutspace=2mm,backspace=6mm,width=15mm]
\setupbodyfont[6pt]
\setuppagenumbering[state=stop]
\setupbackgrounds[text][text][background=color,backgroundcolor=orange]
\setupbackgrounds[header,text,footer][leftmargin][background=color,backgroundcolor=lightgreen]
\setupbackgrounds[header,text,footer][leftmargin,text,rightmargin][frame=on]
\setupfootertexts[margin][\midaligned{l}][\midaligned{r}][\midaligned{r}][\midaligned{l}]
\starttext
\midaligned{design page} \page
\setuppagenumbering[alternative={singlesided}]
\inmargin{\midaligned{m}}\midaligned{left page}  \page
\inmargin{\midaligned{m}}\midaligned{right page} \page
\setuppagenumbering[alternative={singlesided,doublesided}]
\inmargin{\midaligned{m}}\midaligned{left page}  \page
\inmargin{\midaligned{m}}\midaligned{right page} \page
\setuppagenumbering[alternative={doublesided}]
\inmargin{\midaligned{m}}\midaligned{left page}  \page
\inmargin{\midaligned{m}}\midaligned{right page}
\stoptext