Last night I was at a social Happy Hour with friends. One of the guys showed up in that new very red orange color in a shirt. It was the bomb. Color is in for men just like for women and the brighter the better. Here are some examples of what you might try. 
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Some bold color choices for men.Do not be afraid to experiment with color.
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Always a good choice.
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My husband has a beautiful lavender checked shirt. Men do not be afraid of color.
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A shirt like this is always in but it takes a bit more when wearing it to not look like a slob. You need really cool jeans, polished shoes, belt and an attitude