Options for configuring the palette grid can be found on the Appearance tab in the Options dialogue.

Setting the swatch size mode

To have the size of the swatches in the colour grid size themselves to fit a given number of columns

  • In the Palette Grid group, set the Mode to Variable
  • Enter the number of columns you want the grid to support

Setting a fixed swatch size

To manually set the size of the swatches in the colour grid:

  • In the Palette Grid group, set the Mode to Fixed
  • Enter values into the Swatch Width and Swatch Height fields