Get a rug.
Especially if you have laminate floors, and at least a small rug if you have hardwood, just to mix it up a bit. And to prove how awesome rugs actually are, here's a visual demonstration, courtesy of YoungHouseLove. Literally nothing is different between the pictures besides the rug. Well, and the dog.
Boring, boring, OMG DESIGN MAGAZINE! Room is so much brighter with the rug
And, because I'm still awesome, here's even a DIY for this divine faux grass rug!!
And then here's more proof/inspiration.
Images via abigailahern.wordpress.com, Anthropologie, thatsnotmyage, Michael Graydon, SoLovelyDecoration, Layla Grace, VK, ModernisticDesign, SacramentoStreet, maleneb (tons of great rug ideas here), pinterest