How do you make really light brown?

To make a really light brown, you can mix equal parts of red and yellow paint to create an orange base, then gradually add small amounts of blue or green to tone it down and achieve a more muted shade. Alternatively, you can combine white with a small amount of brown to lighten it. Adjust the proportions to reach your desired shade of light brown. Always test on a small surface before applying to ensure you get the right color.