Examples: Clean up. (#25986)

examples/webgl_animation_skinning_blending.html

@@ -69,7 +69,7 @@
 				scene.background = new THREE.Color( 0xa0a0a0 );
 				scene.fog = new THREE.Fog( 0xa0a0a0, 10, 50 );
 
-				const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x444444 );
+				const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x8d8d8d );
 				hemiLight.position.set( 0, 20, 0 );
 				scene.add( hemiLight );
 
@@ -88,7 +88,7 @@
 
 				// ground
 
-				const mesh = new THREE.Mesh( new THREE.PlaneGeometry( 100, 100 ), new THREE.MeshPhongMaterial( { color: 0x999999, depthWrite: false } ) );
+				const mesh = new THREE.Mesh( new THREE.PlaneGeometry( 100, 100 ), new THREE.MeshPhongMaterial( { color: 0xcbcbcb, depthWrite: false } ) );
 				mesh.rotation.x = - Math.PI / 2;
 				mesh.receiveShadow = true;
 				scene.add( mesh );