Update index.html

public/index.html

@@ -26,10 +26,10 @@ async function activateXR() {
 // The cube will have a different color on each side.
 const materials = [
   new THREE.MeshBasicMaterial({color: 0xff0000}),
-  new THREE.MeshBasicMaterial({color: 0x0000ff}),
-  new THREE.MeshBasicMaterial({color: 0x00ff00}),
-  new THREE.MeshBasicMaterial({color: 0xff00ff}),
-  new THREE.MeshBasicMaterial({color: 0x00ffff}),
+  new THREE.MeshBasicMaterial({color: 0xff0000}),
+  new THREE.MeshBasicMaterial({color: 0xff0000}),
+  new THREE.MeshBasicMaterial({color: 0xff0000}),
+  new THREE.MeshBasicMaterial({color: 0xff0000}),
   new THREE.MeshBasicMaterial({color: 0xffff00})
 ];