Re: [R] Colormap that look good in gray scale

Thanks, Here is my partial solution, from what you suggested me: library(TeachingDemos) z<-colors() zz<-col2grey(z) #index sorted zzz<-sort(zz,index.return = TRUE)$ix x<-z # colors in order or their greyscale y<-z # greyscale sorted in gradient for (i in 1:length(z)){ x[i]<-z[zzz[i]] y[

[R] Colormap that look good in gray scale

Hi, I am looking for a colormap (in color) that look like a gradient in gray scale. It is to allow people without color printer to print the color graph and have something meaningful in gray scale. It can be something like this plot(1:6,col=c(1,7,5,3,2,4),pch=c(1,20,20,20,20,20)) but with an