How to create a color palette?
In the Palette Editor of flakes, click on the color area to choose the color you want to assign at the palette.
If necessary, click on this icon
to add one or more color. Click this 
to delete a color.Click then on this icon
to add a color palette to the list of palettes.Repeat steps 1 to 3 to add as many color palettes as you want to the list.