diff --git a/src/pixi/extras/Spine.js b/src/pixi/extras/Spine.js
index 38db1ad..1e5da15 100644
--- a/src/pixi/extras/Spine.js
+++ b/src/pixi/extras/Spine.js
@@ -411,9 +411,9 @@
 spine.ColorTimeline.prototype = {
     slotIndex: 0,
     getFrameCount: function () {
-        return this.frames.length / 2;
+        return this.frames.length / 5;
     },
-    setFrame: function (frameIndex, time, x, y) {
+    setFrame: function (frameIndex, time, r, g, b, a) {
         frameIndex *= 5;
         this.frames[frameIndex] = time;
         this.frames[frameIndex + 1] = r;
@@ -1111,7 +1111,7 @@
 };
 spine.SkeletonJson.toColor = function (hexString, colorIndex) {
     if (hexString.length != 8) throw "Color hexidecimal length must be 8, recieved: " + hexString;
-    return parseInt(hexString.substring(colorIndex * 2, 2), 16) / 255;
+    return parseInt(hexString.substr(colorIndex * 2, 2), 16) / 255;
 };
 
 spine.Atlas = function (atlasText, textureLoader) {
@@ -1452,6 +1452,9 @@
         slotContainer.scale.y = bone.worldScaleY;
 
         slotContainer.rotation = -(slot.bone.worldRotation * Math.PI / 180);
+
+        slotContainer.alpha = slot.a;
+        slot.currentSprite.tint = PIXI.rgb2hex([slot.r,slot.g,slot.b]);
     }
 
     PIXI.DisplayObjectContainer.prototype.updateTransform.call(this);