The frames I posted were photographed in the afternoon, and the lighting conditions were actually such, that the colors were somewhat warmer and more yellow than neutral or white light (similar to the warmer tones of a 1970s bulb). So, to get the photographs somewhat closer to what they look like under neutral lighting conditions, I balanced the background using the color balancing tool.
Here’s one screenshot comparison the emphasize the difference:
http://screenshotcomparison.com/comparison/204693
Here are all the frames under these conditions:
