diff --git a/colorseekbar/src/main/java/com/rtugeek/android/colorseekbar/ColorSeekBar.java b/colorseekbar/src/main/java/com/rtugeek/android/colorseekbar/ColorSeekBar.java
index 41c30bb..006791c 100644
--- a/colorseekbar/src/main/java/com/rtugeek/android/colorseekbar/ColorSeekBar.java
+++ b/colorseekbar/src/main/java/com/rtugeek/android/colorseekbar/ColorSeekBar.java
@@ -623,6 +623,12 @@ public void setBarHeightPx(int px) {
     private void setAlphaValue() {
         mAlpha = 255 - mAlphaBarPosition;
     }
+    
+    private void setAlphaValue(int value) {
+        mAlpha = value;
+        mAlphaBarPosition = 255 - mAlpha;
+       // invalidate();
+    }
 
     public void setAlphaBarPosition(int position) {
         setPosition(mColorBarPosition,position);
@@ -695,6 +701,9 @@ public void setColor(int color) {
 
         if (mInit) {
             int value = mCachedColors.indexOf(withoutAlphaColor);
+            if (mIsShowAlphaBar) {
+                setAlphaValue(Color.alpha(color));
+            }
             setColorBarPosition(value);
         } else {
             mColorsToInvoke = color;