Apple Aperture 2 - Manual (Page 449)

Chapter 15 Making Image Adjustments 449
III
The right arrow remaps the hue in the following ways:
 Red hue moves toward yellow.
 Yellow hue moves toward green.
 Green hue moves toward cyan.
 Cyan hue moves toward blue.
 Blue hue moves toward magenta.
 Magenta hue moves toward red.
 By default, the Hue value slider is set to 0.0. Double-click the number in the value
slider, then enter a value from –180.0 to 180.0 and press Return.
4 If necessary, adjust the Saturation parameter by doing one of the following:
 By default, the Saturation slider is set to the center of the slider control. Drag the
slider to the left to desaturate the selected color, and drag it to the right to increase
the saturation of the selected color.
 Click the left or right arrow in the Saturation value slider to change the saturation of
the selected color in the image by single increments, or drag in the value field.
 By default, the Saturation value slider is set to 0.0. Double-click the number in the
value slider, then enter a value from –100.0 to 100.0 and press Return.
5 If necessary, adjust the Luminance parameter by doing one of the following:
 By default, the Luminance slider is set to the center of the slider control. Drag the
slider to the left to decrease the brightness of the selected color, and drag it to the
right to increase the brightness of the selected color.
 Click the left or right arrow in the Luminance value slider to change the brightness of
the selected color in the image by single increments, or drag in the value field.
 By default, the Luminance value slider is set to 0.0. Double-click the number in the
value slider, then enter a value from –100.0 to 100.0 and press Return.
Use the Saturation slider
and value slider to correct
the intensity of the hue of
the selected color.
Use the Luminance slider
and value slider to correct
the brightness of the hue
of the selected color.