Venus Williams went purple for the first round of the U.S. Open. (Mike Segar / Reuters)

Venus Williams chose a multicolored dress for her first-round match Monday at the U.S. Open and, just for kicks, she had hair to match.

The predominant shade was purple…bright purple.

The multi-colored look was on display during practice Sunday. (Darron Cummings / AP)

Williams, unseeded in the Open, played Kirsten Flipkens.

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