A colour (or if you're American 'color') not relating to a feeling/emotion. (for example, red=angry, and blue=sad and so on) Many people think purple is a girly colour/color but that is very sexist and many people shouldn't just assume that.
people say girl colours/colors are: Pink, Purple and so on.
They also say they boy colours/colors are: Blue, Green and so on.
"What's your favorite colour/color?"
"Purple."