From Sociological Images:
Honestly, if you ask me it’s a little matchey-matchey.
Now on a more serious line, I thought this was a noteworthy point:
Now this isn’t a big deal, but it is a particularly striking example of the little ways in which rules around gender are enforced. Federer took a risk by wearing even a little bit of pink; the Daily Mail goes to great lengths to point this out. He also gets away with it, in the sense that the article doesn’t castigate or attempt to humiliate him for doing so. [...] Research shows that men who otherwise embody high-status characteristics — which includes being light-skinned, ostensibly straight, attractive, athletic, and wealthy — can break gender rules with fewer consequences