diff --git a/docs/scenes/bones-browser.html b/docs/scenes/bones-browser.html
index fd2f6957e8f881..119b7eb998d832 100644
--- a/docs/scenes/bones-browser.html
+++ b/docs/scenes/bones-browser.html
@@ -59,6 +59,7 @@
 				renderer = new THREE.WebGLRenderer( { antialias: true } );
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
+				renderer.setClearColor( 0x000000 );
 				document.body.appendChild( renderer.domElement );
 
 				orbit = new THREE.OrbitControls( camera, renderer.domElement );
diff --git a/docs/scenes/geometry-browser.html b/docs/scenes/geometry-browser.html
index 8061b774ab14f8..0852c755984713 100644
--- a/docs/scenes/geometry-browser.html
+++ b/docs/scenes/geometry-browser.html
@@ -52,6 +52,7 @@
 			var renderer = new THREE.WebGLRenderer( { antialias: true } );
 			renderer.setPixelRatio( window.devicePixelRatio );
 			renderer.setSize( window.innerWidth, window.innerHeight );
+			renderer.setClearColor( 0x000000 );
 			document.body.appendChild( renderer.domElement );
 
 			var orbit = new THREE.OrbitControls( camera, renderer.domElement );
diff --git a/docs/scenes/material-browser.html b/docs/scenes/material-browser.html
index 5cc8c3adeb6213..b2d8c8c2837749 100644
--- a/docs/scenes/material-browser.html
+++ b/docs/scenes/material-browser.html
@@ -50,6 +50,7 @@
 			var renderer = new THREE.WebGLRenderer( { antialias: true } );
 			renderer.setPixelRatio( window.devicePixelRatio );
 			renderer.setSize( window.innerWidth, window.innerHeight );
+			renderer.setClearColor( 0x000000 );
 			document.body.appendChild( renderer.domElement );
 
 			var ambientLight = new THREE.AmbientLight( 0x000000 );