energetic color

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I'm working on setting up an area of our basement for a home gym. I want to paint it....what's a good, energetic color? I still want it to look nice (so I'm thinking no on the purple/yellow combo from planet fitness) since it will be visible when walking into the basement, but I'm hoping by making the area look nice and inviting, I'll be more inclined to use it. So give me your color suggestions!