Adobe Photoshop CC 2014 v.14.xx - Manual (Page 423)

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Relative
Absolute
Note:
In Photoshop CC and CS6, choose the color you want to adjust from the Colors menu in the Properties panel. You can also choose a
Preset that you’ve saved.
In CS5, choose the color you want to adjust from the Colors menu in the Adjustments panel.
(CC, CS6) In the Properties panel, choose a Selective Color preset from the Preset menu.
4. Select a method in the Properties panel (CC, CS6) or choose a method from the Adjustments panel menu (CS5):
Changes the existing amount of cyan, magenta, yellow, or black by its percentage of the total. For example, if you start with a pixel
that is 50% magenta and add 10%, 5% is added to the magenta (10% of 50% = 5%) for a total of 55% magenta. (This option cannot adjust
pure specular white, which contains no color components.)
Adjusts the color in absolute values. For example, if you start with a pixel that is 50% magenta and add 10%, the magenta ink is
set to a total of 60%.
The adjustment is based on how close a color is to one of the options in the Colors menu. For example, 50% magenta is midway
between white and pure magenta and receives a proportionate mix of corrections defined for the two colors.
5. Drag the sliders to increase or decrease the components in the selected color.
You can also save the settings you make for the Selective Color adjustment and reuse the settings on other images.
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