The color that matches gray the best

Quick answer：

The color that best matches gray can vary depending on the context and the specific shade of gray. Generally, complementary colors, which are found on the opposite side of the color wheel, are considered to be the best matches. For a medium gray, a bright yellow or orange can be a good match. For darker grays, a brighter red or purple might be more suitable. It's important to consider the lighting conditions and the overall color scheme when choosing a complementary color.