diff --git a/examples/misc_lights_test.html b/examples/misc_lights_test.html
index bad2e4beebd2033d078dcca577ff0acda255c47d..b3356d1c070c5f2d04f0d053dcd4460245a382d1 100644
--- a/examples/misc_lights_test.html
+++ b/examples/misc_lights_test.html
@@ -17,7 +17,7 @@
 			a { color:skyblue }
 			canvas { pointer-events:none; z-index:10; }
 
-			#d { text-align:center; margin:1em 0 -15.7em 0; z-index:0; position:relative; display:block }
+			#d { text-align:center; margin:1em 0 -11.4em 0; z-index:0; position:relative; display:block }
 			.button { background:#000; color:#fff; padding:0.2em 0.5em; cursor:pointer }
 			.inactive { background:#999; color:#eee }
 		</style>
@@ -137,7 +137,7 @@
 
 					try {
 
-						webglRenderer = new THREE.WebGLRenderer();
+						webglRenderer = new THREE.WebGLRenderer( { alpha: true } );
 						webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
 						webglRenderer.domElement.style.position = "relative";
 						container.appendChild( webglRenderer.domElement );
diff --git a/examples/misc_ubiquity_test.html b/examples/misc_ubiquity_test.html
index 7c0a813701fef70212874a68d76b25e259a75141..3c47012771b52bbde797383b3440f38b46fe8d9a 100644
--- a/examples/misc_ubiquity_test.html
+++ b/examples/misc_ubiquity_test.html
@@ -152,7 +152,7 @@
 				svgRenderer.setQuality( 'low' );
 				container.appendChild( svgRenderer.domElement );
 
-				webglRenderer = new THREE.WebGLRenderer( { antialias: true } );
+				webglRenderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
 				webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
 				// webglRenderer.setFaceCulling( 0 );
 				container.appendChild( webglRenderer.domElement );
diff --git a/examples/webgl_geometry_large_mesh.html b/examples/webgl_geometry_large_mesh.html
index 57f3c58a2b62f20f14be6252359c1822ef3d3661..0d8202ac68c61ce12d15739ab6e61ec7d3360305 100644
--- a/examples/webgl_geometry_large_mesh.html
+++ b/examples/webgl_geometry_large_mesh.html
@@ -132,7 +132,7 @@
 				if ( render_gl ) {
 					try {
 
-						webglRenderer = new THREE.WebGLRenderer( { antialias: true } );
+						webglRenderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
 						webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
 						webglRenderer.domElement.style.position = "relative";
 						container.appendChild( webglRenderer.domElement );
diff --git a/examples/webgl_geometry_minecraft.html b/examples/webgl_geometry_minecraft.html
index de8027830aab5b2c0cce96441a4fe3e5c5ea99a0..8f76aebeab7326f04c52fdfcbb9d1ca3956ff9d3 100644
--- a/examples/webgl_geometry_minecraft.html
+++ b/examples/webgl_geometry_minecraft.html
@@ -159,7 +159,7 @@
 				directionalLight.position.set( 1, 1, 0.5 ).normalize();
 				scene.add( directionalLight );
 
-				renderer = new THREE.WebGLRenderer();
+				renderer = new THREE.WebGLRenderer( { clearColor: 0xbfd1e5 } );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 
 				container.innerHTML = "";
diff --git a/examples/webgl_geometry_minecraft_ao.html b/examples/webgl_geometry_minecraft_ao.html
index eddd589a4e8d56f4277ac25bd123cc1c440a4158..d55cada8b353385643c43d70156621ece33f7bec 100644
--- a/examples/webgl_geometry_minecraft_ao.html
+++ b/examples/webgl_geometry_minecraft_ao.html
@@ -449,7 +449,7 @@
 				directionalLight.position.set( 1, 1, 0.5 ).normalize();
 				scene.add( directionalLight );
 
-				renderer = new THREE.WebGLRenderer();
+				renderer = new THREE.WebGLRenderer( { clearColor: 0xffffff } );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 
 				container.innerHTML = "";
diff --git a/examples/webgl_geometry_shapes.html b/examples/webgl_geometry_shapes.html
index fd966ca3de3326c284e44045b9605c4585fe2f16..ebcdcee905e6a31a9f92200f5069a19c5a4fb995 100644
--- a/examples/webgl_geometry_shapes.html
+++ b/examples/webgl_geometry_shapes.html
@@ -369,7 +369,7 @@
 
 				//
 
-				renderer = new THREE.WebGLRenderer( { antialias: true } );
+				renderer = new THREE.WebGLRenderer( { antialias: true, clearColor: 0xf0f0f0 } );
                 renderer.setSize( window.innerWidth, window.innerHeight );
 
 				container.appendChild( renderer.domElement );
diff --git a/examples/webgl_hdr.html b/examples/webgl_hdr.html
index e7577760a07328d6086c067809d19a7c6184a248..a5a5bf8c4400511f3a4678f64457bd1ca3b61e63 100644
--- a/examples/webgl_hdr.html
+++ b/examples/webgl_hdr.html
@@ -6,19 +6,19 @@
 		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
 		<style>
 		    body {
-			color: #000;
+			color: #fff;
 			font-family:Monospace;
 			font-size:13px;
 			text-align:center;
 			font-weight: bold;
 
-			background-color: #fff;
+			background-color: #000;
 			margin: 0px;
 			overflow: hidden;
 		    }
 
 		    #info {
-					color:#000;
+			color:#fff;
 			position: absolute;
 			top: 0px; width: 100%;
 			padding: 5px;