02. Hit Cmd/Ctrl + E to Merge Down, then select Filter > Pixelate > Mosaic, and in the next dialog box enter a Cell Size of 50. Save the file to a convenient and memorable location – see the tip box on page 49 for more on the Mosaic filter.
03. Now go to Mode > Indexed Color, set the number of colours to 50 and hit OK. Then select Image > Mode > Color Table to preview the palette based on the image. Now save the library. This is a much quicker method than using the Eyedropper tool to select individual colours and adding them one by one to the Swatches palette — it also works with any RGB image.
04. In your Swatches palette, use the fly-out menu to select Replace Swatches, and then navigate to your saved library. With the new swatches loaded, choose Save Swatches for Exchange and name them. You’ll be using Illustrator to complete this tutorial, and exchange swatches are compatible. Close the file, but don’t save it.