diff --git a/funcs/misc-plots.c b/funcs/misc-plots.c
index 9a209914..beebfe83 100644
--- a/funcs/misc-plots.c
+++ b/funcs/misc-plots.c
@@ -51,8 +51,9 @@ for (x=0; x<fimg->width; x++) {
 	val =  ((double)x / (double)fimg->width) * dval;
 	for (y=0; y<20; y++) {
 		fimg_plot_rgb(fimg, x, k+y, val, val, val);
-		fimg_plot_rgb(fimg, x, k+y+20, 1-val, 1-val, 1-val);
+		fimg_plot_rgb(fimg, x, k+y+20, dval-val, dval-val, dval-val);
 		}
+	// fprintf(stderr, " %6d   %f\n", x, val);
 	}