Simple steps on adding custom palette
1. Open corel Draw X6.
2. Select "Window" menu.
3. Select "Color Palette".
4. Select "Palette Editor"
5. Click on "Edit Color" you can select and edit any color that you want to add or removed on the list of palettes.
6. If you are done on the selection you can now click on Ok
7. Save the palettes by clicking on the save icon (save palette as).
8. Type a file name and click on save.
After saving access the same window menu and it will show you the name of the palette
created it will also give you an option to acess the palette under "Open Palette" menu
Now the color palette will show on the right side of your window.