diff --git a/material.go b/material.go
index 3012170..c10336a 100644
--- a/material.go
+++ b/material.go
@@ -16,8 +16,8 @@ const (
 // NewNodeMaterial creates a new default material for the graph node.
 func NewNodeMaterial() three.Material {
 	params := three.NewMaterialParameters()
-	params.Color = three.NewColor(0, 255, 0)
-	params.Transparent = true
+	params.Color = three.NewColorRGB(0, 255, 0)
+	params.Transparent = false
 	params.Opacity = DefaultTransparency
 	return three.NewMeshPhongMaterial(params)
 }
@@ -25,7 +25,7 @@ func NewNodeMaterial() three.Material {
 // NewBlinkedNodeMaterial creates a new default material for the graph blinked node.
 func NewBlinkedNodeMaterial() three.Material {
 	params := three.NewMaterialParameters()
-	params.Color = three.NewColor(255, 0, 0) // red
+	params.Color = three.NewColorRGB(255, 0, 0) // red
 	params.Transparent = true
 	params.Opacity = DefaultTransparency
 	return three.NewMeshPhongMaterial(params)
@@ -34,8 +34,8 @@ func NewBlinkedNodeMaterial() three.Material {
 // NewEdgeMaterial creates a new default material for the graph edge lines.
 func NewEdgeMaterial() three.Material {
 	params := three.NewMaterialParameters()
-	params.Color = three.NewColor(200, 200, 255)
-	params.Transparent = true
+	params.Color = three.NewColorRGB(200, 200, 255)
+	params.Transparent = false
 	params.Opacity = DefaultTransparency
 	return three.NewLineBasicMaterial(params)
 }
@@ -43,7 +43,7 @@ func NewEdgeMaterial() three.Material {
 // NewBlinkedEdgeMaterial creates a new default material for the graph blinked edge lines.
 func NewBlinkedEdgeMaterial() three.Material {
 	params := three.NewMaterialParameters()
-	params.Color = three.NewColor(255, 0, 0)
+	params.Color = three.NewColorRGB(255, 0, 0)
 	params.Transparent = true
 	params.Opacity = DefaultTransparency
 	return three.NewLineBasicMaterial(params)
diff --git a/scene.go b/scene.go
index 60f7b0c..d3189c1 100644
--- a/scene.go
+++ b/scene.go
@@ -80,10 +80,10 @@ func (w *WebGLScene) Reset() {
 // InitScene inits a new scene, sets up camera, lights and all that.
 func (w *WebGLScene) InitScene(width, height float64) {
 	w.camera = three.NewPerspectiveCamera(70, width/height, 1, 1000)
-	w.camera.Position.Set(0, 0, 400)
+	w.camera.Position.Set(0, 0, 100)
 
 	w.scene = three.NewScene()
-	w.scene.Background = three.NewColor(0, 0, 17/256)
+	w.scene.Background = three.NewColorRGB(0, 0, 17)
 
 	w.InitLights()
 	w.InitControls()
@@ -92,11 +92,11 @@ func (w *WebGLScene) InitScene(width, height float64) {
 
 // InitLights init lights for the scene.
 func (w *WebGLScene) InitLights() {
-	ambLight := three.NewAmbientLight(three.NewColor(0, 0, 0), 1)
+	ambLight := three.NewAmbientLight(three.NewColorHex(0xbbbbbb), 1)
 	ambLight.MatrixAutoUpdate = false
 	w.scene.Add(ambLight)
 
-	light := three.NewDirectionalLight(three.NewColor(1, 1, 1), 1)
+	light := three.NewDirectionalLight(three.NewColor("white"), 1)
 	light.MatrixAutoUpdate = false
 	w.scene.Add(light)
 }