sir i done this plot(1:33292, 1:33292,col=Color(33292)) command then it gives the coloured line but again it is not working in my data why? -- View this message in context: http://r.789695.n4.nabble.com/Colour-gradient-is-not-working-tp4708000p4708036.html Sent from the R help mailing list archive at Nabble.com.