Abstract: An apparatus comprises a display, and a processing unit which is configured to obtain initial image data of an initial digital image frame; control the display to show an initial digital image in accordance with the initial image data, and a single graphical user input tool allowing a user of the apparatus to input, via the single graphical user input tool, a color enhancement command for enhancing a selected color in the initial digital image, the color enhancement command defining selection between color enhancement effects of increasing colorfulness of the selected color and decreasing colorfulness of color(s) differing from the selected color, and degree of the selected color enhancement effect; obtain a color enhancement command input by the user via the single graphical user input tool; and produce enhanced image data enhanced, for the selected color, in accordance with the obtained color enhancement command.