What does the numbers mean next to the colors in food, like Yellow 5?!

Question: What does the numbers mean next to the colors in food, like Yellow 5!?
Answers:

Each color may have numerous number behind them, the Food and Drug Administration did this so that people with certain food allergies will be aware of them and use care with said products!. I found a web site that can explain this to you better than I can!. Read what they have to say and then scroll down and see what each color and number means and what effects it has on the user!. Good luck to you in this matter!.
http://www!.doggedresearch!.com/chromo/dye!.!.!.Www@FoodAQ@Com

It's the number assigned to that particular shade of color!.Www@FoodAQ@Com

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What does the numbers mean next to the colors in food, like Yellow 5?!

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