Decided I wanted a violet image. This image caused a lot of problems. It uncovered a Photoshop bug where the image did not match the thumbnail or the flattened image. After fiddling to work around the problem, I managed to get what I wanted.

Here is a Photoshop tip. When you have out-of-gamut colors, convert to CMYK color and back to RGB. All the colors are put within range and it usually looks fine.