Note that this hint assumes you've already created the new solid colors (very dark gray, very dark blue, and very dark red) as explained in this previous hint. Once you have those colors (or others, if you prefer; just change the script as necessary), create the following AppleScript: [robg adds: I tested this, and it works as described. If you want to use more colors, you need to change both the buttonList and colorList lines so that they remain in sync. The list of colors in colorList must exactly match the colors' filenames as seen in the Finder.]

