diff --git a/src/open.js b/src/open.js
index f20c989..2319de0 100644
--- a/src/open.js
+++ b/src/open.js
@@ -47,9 +47,12 @@ function addStar() {
 
     let material = new THREE.MeshStandardMaterial({
         side: THREE.FrontSide,
-        color: 0x00ff00,
+        color: 0x4fbc32,
         flatShading: true,
     });
+    let ringMaterial = new THREE.MeshPhysicalMaterial({
+        color: 0x008000,
+    });
     let backMaterial = material.clone();
     backMaterial.side = THREE.BackSide;
 
@@ -62,7 +65,7 @@ function addStar() {
     coreStarGroup.add(backStar);
 
     let ringGeometry = generateStarRing(2, 3, 0.4);
-    let ring = new THREE.Mesh(ringGeometry, material);
+    let ring = new THREE.Mesh(ringGeometry, ringMaterial);
     ring.receiveShadow = ring.castShadow = true;
     coreStarGroup.add(ring);
 }
@@ -175,8 +178,8 @@ function loadFont() {
         }).center();
         geometry.computeFaceNormals();
 
-        let textMaterial = new THREE.MeshStandardMaterial({
-            color: 0xff00ff
+        let textMaterial = new THREE.MeshPhysicalMaterial({
+            color: 0x004f00
         });
 
         let mesh = new THREE.Mesh(geometry, textMaterial);
@@ -248,9 +251,9 @@ function animate() {
     }
 
     animation.steps--;
-    interpolate(animation.x, 0.05);
-    interpolate(animation.y, 0.05);
-    interpolate(animation.z, 0.05);
+    interpolate(animation.x, 0.025);
+    interpolate(animation.y, 0.025);
+    interpolate(animation.z, 0.025);
 
     coreStarGroup.rotation.x = animation.x.last();
     coreStarGroup.rotation.y = animation.y.last();