View color values in an image – Adobe Photoshop CS4 User Manual
Page 164
157
USING PHOTOSHOP CS4
Color and tonal adjustments
Last updated 1/10/2010
•
Choose Uncached Refresh from the Histogram panel menu.
For information about cache level, see “
View color values in an image
You can use the Info panel to see the color value of pixels as you make color corrections. When you work with a color
adjustment dialog box or Adjustments panel, the Info panel displays two sets of color values for the pixels under the
pointer. The value in the left column is the original color value. The value in the right column is the color value after
the adjustment is made.
Using Levels and Info panel to neutralize the tone of an image
You can view the color of a single location using the Eyedropper tool
. You can also use up to four Color
Samplers
to display color information for one or more locations in the image. These samplers are saved in the
image, so you can refer to them repeatedly as you work, even if you close and reopen the image.
Color samplers and Info panel
1
Choose Window
> Info to open the Info panel.
2
Select (then Shift-click) the Eyedropper tool
or Color Sampler tool
, and if necessary, choose a sample size
in the options bar. Point Sample reads the value of a single pixel, other options read the average of a pixel area.
3
If you selected the Color Sampler tool
, place up to four color samplers on the image. Click where you want to
place a sampler.