When it comes to antonyms for the phrase "painted the town red," one might suggest phrases such as "lay low," "kept it quiet," or "enjoyed a chill night in." These expressions suggest a mellow or more subdued approach to an evening out, in contrast to the wild and lively connotations of painting the town red. Instead of seeking out the excitement of the city, one might prefer a cozy night at home, a peaceful walk in nature, or a low-key dinner with friends. While painting the town red can be thrilling, sometimes it's nice to take things at a slower pace and just enjoy the simple pleasures of life.