Stay inside and it won't matter but if it does, most in my office today are wearing blue (including me). Good luck with that decision.
It can set the whole tone for the rest of the day. Also keep in mind that last Saturday was green day so it will depend on what day the week starts for you since you wouldn't want to wear the same colors twice in the same week.
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Courtesy is Contagious.
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In theory, theory and reality are the same.
In reality, they're different!