Yes, you can go swimming after hair coloring. However, it is important to take some precautions to ensure that your color does not fade or become damaged. First, wait at least 48 hours after coloring your hair before swimming. This will give the color time to set and become fully absorbed into your hair shaft. Second, use a clarifying shampoo before swimming to remove any products or build-up from your hair that could cause the color to fade. Finally, always wear a swim cap when swimming to protect your hair from the chlorine or salt water.