Change to vivid colorscheme

render.go

@@ -46,7 +46,8 @@ func main() {
 	}
 
 	colorStep := float64(Iterations)
-	colors = interpolateColors("Plan9", colorStep)
+	//	colors = interpolateColors("Plan9", colorStep)
+	colors = interpolateColors("Vivid", colorStep)
 
 	log.Fatal(http.ListenAndServe(":6161", nil))
 }