How to find Hue angle of fruits

Hi, Please let me know how to find hue angle. I need hue angle of fuji apple fruit.
how i can calculate its hue angle. And what is its hue angle at harvesting time and after 4.5 months under cold storage. Either it increases or decreases during storage.
please help me i badly needed this.

There are plenty of articles about hue angle in fruits…You should start reading about it in the web…
Try to understand what is hue angle and how to determine it.
Color measurements of fruits might help you understand hue angle

Thanks a lot roy…