Apple Aperture 2 - Manual (Page 347)

Chapter 14 An Overview of Image Adjustments 347
III
Sampling Color Values
The Color meter displays the color values of the pixels in the image beneath the
pointer or the target area of the Loupe.
To use the pointer to sample the color values in an image:
m Place the pointer over the area of the image where you want to sample the color values,
and view the values at the top of the Adjustments inspector or the Adjustments pane of
the Inspector HUD.
To use the Loupe to sample color values in an image:
1 Click the Loupe button in the toolbar, or press the Grave Accent (`) key.
2 Choose View > Show Color Value in Loupe, or press Shift–Option–Grave Accent (`).
3 Place the target area of the Loupe over the area of the image where you want to
sample the color values, and the values appear in the magnified area of the Loupe.
Color meter