I would concur that one of the most likely perpetrator will be the lights. Nevertheless, the woodwork appears to have quite a bit of purple in it and there's a chance you're reflecting that redness on to the walls. My idea should be to abide by my comprehensive tutorial http://avoid-paint-brush-strokes58147.xzblogs.com/39794756/the-best-side-of-how-to-remove-paint-from-cabinets