Kitchen Paint Color Advice

To play up the counter color, I would suggest a true light yellow. Pick up the blue and yellow in curtains. I saw some beautiful one that were made of quilting material sewn in squares. The light coming through the blue and yellow was so cheerful.

You could also use the tan as you already have four colors - blue, tan, oak, gray. It would look best is you used tints (color plus white) or shades (color plus black) of colors you already have. Perhaps curtains the colors of the cabinets or a light tan with ribbon the same or nearly the same as the counters. Hope this helps.