Double click on the swatch you want to change to enter the
Pattern Options window.
2
Using the
direct selection tool select all the elements in your pattern.
3
Double click the color swatch box for your
fill and enter the color you want for your new swatch.
4
If you find that the color is a shade of grey instead of what you have chosen, navigate to the
Color window and click the menu options icon on the right-hand side (it will look like three lines stacked vertically.)
5
Select one of the four-color options (in this case, I've chosen CMYK), and your desired color will now be reflected in your pattern.
6
Save your pattern
as a copy and rename it to save it to your pattern swatches in the
swatches window.