Cynthia; I did invoke the styles statement. However, what happens now is when I declare the GraphData1 statement /color=black it renders both the overlay line black and the symbols on the main fitline black while keeping the color of the graphfit (main) line blue as requested. WIll play with it some more. Thanks for your help again. Lawrence proc template ; define style styles.MyStyle; parent=styles.listing; class GraphFit / contrastcolor=blue linethickness=2px linestyle=1 ; class GraphReference / contrastcolor=green linethickness=1px linestyle=2 ; class GraphData1 /color=black linethickness=2px linestyle=1 ; end ; run ; ... View more