Adobe Photoshop CC 2014 v.14.xx - Manual (Page 458)

Note:
Color wheel
A. Saturation B. Hue
You can also select the On-image adjustment tool in the Adjustments panel (CS5) or the Properties panel (CS6), and then Ctrl-click
(Windows) or Command-click (Mac OS) a color in the image. Drag left or right in the image to modify the hue value.
4. For Saturation, enter a value or drag the slider to the right to increase the saturation or to the left to decrease it.
The color shifts away from or toward the center of the color wheel. Values can range from -100 (percentage of desaturation, duller colors) to
+100 (percentage of saturation increase).
You can also , select the On-image adjustment tool in the Adjustments panel (CS5) or the Properties panel (CS6), and click a color in the
image. Drag left or right in the image to decrease or increase saturation of the color range that includes the pixel you clicked.
5. For Lightness, enter a value or drag the slider to the right to increase the lightness (add white to a color) or to the left to decrease it (add
black to a color). Values can range from -100 (percentage of black) to +100 (percentage of white).
Click the Reset button to undo a Hue/Saturation setting in the Adjustments panel (CS5) or the Properties panel (CS6).
Specify the range of colors adjusted using Hue/Saturation
1. Apply a Hue/Saturation adjustment.
2. In the Adjustments panel (CS5) or the Properties panel (CS6), choose a color from the menu to the right of the On-image adjustment button
.
Four color wheel values (in degrees) appear in the Adjustments panel (CS5) or the Properties panel (CS6). They correspond to the
adjustment sliders that appear between the color bars. The two inner vertical sliders define the color range. The two outer triangle sliders
show where the adjustments on a color range “fall off” (fall-off is a feathering or tapering of the adjustments instead of a sharply defined
on/off application of the adjustments).
3. Use either the eyedropper tools or the adjustment sliders to modify the range of colors.
Click or drag in the image with the Eyedropper tool to select a color range. To expand the range, click or drag in the image with the
Add To Sample Eyedropper tool . To reduce the range of color, click or drag in the image with the Subtract From Sample Eyedropper
tool . While an eyedropper tool is selected, you can also press Shift to add to the range, or Alt (Windows) or Option (Mac OS) to
subtract from it.
Drag one of the white triangle sliders to adjust the amount of color fall-off (feathering of adjustment) without affecting the range.
Drag the area between the triangle and the vertical bar to adjust the range without affecting the amount of fall-off.
Drag the center area to move the entire adjustment slider (which includes the triangles and vertical bars) to select a different color area.
Drag one of the vertical white bars to adjust the range of the color component. Moving a vertical bar from the center of the adjustment
slider and closer to a triangle increases the color range and decreases the fall-off. Moving a vertical bar closer to the center of the
adjustment slider and away from a triangle decreases the color range and increases the fall-off.
Ctrl-drag (Windows) or Command-drag (Mac OS) the color bar so that a different color is in the center of the bar.
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