Colors that go well with red

Quick answer：

Colors that complement red often include orange, purple, and green. These are known as complementary colors in color theory, which are opposite each other on the color wheel. Red and green are particularly striking when paired together, as they are primary complementary colors. Additionally, shades of red can be harmonious with similar tones, like pink or maroon. Color harmony can also be achieved with analogous colors, which are next to each other on the color wheel, like reds that are closer to orange or purple.