I've bought a gallon of paint, It seemed to be a bit too dark for our taste. Is there a way I could bring it in and ask to add some white to it to make it a bit lighter?

Thank you for your question. Depending how much colorant was already put into the paint, the store may not be able to add more. You would need to check with the store so they can verify the formula and see if the maximum amount of tint was added already. Sincerely, L.T., Customer Support Specialist