Well perhaps we can take the mystery of why it work for me, but not you, off line :-) I'm using R 2.6.1 on a WinXP platform.
You could try just using shades of color like this: data(HairEyeColor) a <- as.table( apply(HairEyeColor, c(1,2), sum) ) a1<-a[1:2,] barplot(a1, type="n", col=c("red","pink","blue","lightblue","purple", "lavender","green","lightgreen"), beside = TRUE ) -- View this message in context: http://www.nabble.com/Combine-colors-and-shading-lines-tp18033630p18036907.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.