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That is a very good question indeed.
Where have you tried it? What were the results?
If you do not understand why it is working the way it is, post the code with your question.

I am guessing you...

Yes it is possible. What happens when you uncomment the Thread.sleep in the code as it is?

"it displays color" --> it what?
"it works somewhat" --> what works, what does not?
"it will not display" it what?

Without trying to read all of the code and figure out what you are doing, there...