diff --git a/main.go b/main.go
index ddbc631..e7adffe 100644
--- a/main.go
+++ b/main.go
@@ -61,8 +61,8 @@ func main() {
 	sierpinskiLayer := &SierpinskiArrow { dirty: true }
 
 
-	//sketch.AddColorLayer("background-black", rl.Black)
-	sketch.AddColorLayer("background-magenta", rl.Magenta)
+	sketch.AddColorLayer("background-black", rl.Black)
+	//sketch.AddColorLayer("background-magenta", rl.Magenta)
 	sketch.AddLayer("field", &FieldLayer{field: field, loColor: rl.NewColor(0, 0, 0, 0), hiColor: rl.Orange, dirty: true})
 	contourLayer := NewContourLayer(&sketch, rng, field)
 	sketch.AddLayer("contours", contourLayer)