\listfiles \documentclass{article} \usepackage{pstricks,multido} \definecolorseries{testA}{rgb}{last}{blue}{yellow} \resetcolorseries[300]{testA}% defines the series with 200 colors \definecolorseries{testC}{cmyk}{last}{white}[cmyk]{1,0,0,0} \resetcolorseries[11]{testC}% cyan series with 10 colors \definecolorseries{testM}{cmyk}{last}{white}[cmyk]{0,1,0,0} \resetcolorseries[11]{testM}% magenta series with 10 colors \definecolorseries{testY}{cmyk}{last}{white}[cmyk]{0,0,1,0} \resetcolorseries[11]{testY}% yellow series with 10 colors \definecolorseries{testK}{cmyk}{last}{white}[cmyk]{0,0,0,1} \resetcolorseries[11]{testK}% black series with 10 colors \parindent=0pt \pagestyle{empty} \begin{document} \psset{unit=1bp,linewidth=1.2pt} \begin{pspicture}(300,50) \multido{\nC=1+1}{300}{% \psline[linecolor={testA!![\nC]}](\nC,0)(\nC,50)} \end{pspicture} \clearpage \vspace{5mm} \setlength{\fboxsep}{2mm} \makebox[20mm][l]{cyan (C):}% \multido{\nColr=0+1}{10}{\colorbox{testC!![\nColr]}{.\nColr}}\colorbox{testC!![10]}{1}\\ \makebox[20mm][l]{magenta (M):}% \multido{\nColr=0+1}{10}{\colorbox{testM!![\nColr]}{.\nColr}}\colorbox{testM!![10]}{1}\\ \makebox[20mm][l]{yellow (Y):}% \multido{\nColr=0+1}{10}{\colorbox{testY!![\nColr]}{.\nColr}}\colorbox{testY!![10]}{1}\\ \makebox[20mm][l]{black (K):}% \multido{\nColr=0+1}{10}{\colorbox{testK!![\nColr]}{.\nColr}}\colorbox{testK!![10]}{1} \end{document}