The phrase "art in corner" is relatively specific and doesn't lend itself easily to antonyms. However, if we were to consider the individual words separately, we could find suitable pairs. For instance, antonyms for "art" might include "ugliness," "crudeness," or "sloppiness." And for "corner," antonyms could be "center," "middle," or "front-and-center." Taken together, we could say that antonyms for "art in corner" might include "ugliness in center," "crudeness in middle," or "sloppiness front-and-center." However, it's important to remember that these combinations don't necessarily make sense in context and may not provide an accurate representation of the phrase's intended meaning.