A method and apparatus of adjusting color conversion parameters to be used by a color printer for printing documents or images, includes receiving a user input designating a color conversion parameter to be adjusted. It also includes obtaining information as to at least one other color conversion parameter that is related to the user designated color conversion parameter. It further includes adjusting the user designated color conversion parameter based on a user selection of source color-to-destination color change, and adjusting the at least one other color conversion parameter related to the user designated color conversion parameter based on the same user selection of source color-to-destination color change