Apple Motion 5.1.1 - Manual (Page 771)

Chapter 19 Filters 771
To make an adjustment to a zone, click the corresponding color well to open the Mac OS Colors
window, then drag in the color wheel. As you drag, the image updates. Dragging in a specific
hue’s direction rebalances the image, tinting it with that hue. The farther towards the edge of the
color wheel you drag, the more intensely you tint the image.
Tip: You can use any controls in the OS X Colors window to make color adjustments, including
sliders, web-safe colors, and the magnifying glass picker. Further, you can save frequently used
tints by dragging a color from the color bar at the top to an empty white swatch below. Clicking
a filled swatch selects that color.
The adjustments to shadows, midtones, and highlights of an image overlap widely. For example,
adjustments to shadows affect the darkest parts of the image the most, but the effect also
influences midtones and lower highlights. This overlap ensures that adjustments you make blend
seamlessly with the original colors of the image.
For a practical example of using the Color Balance filter, see Use the Color Balance filter to match
two composited layers on page 772.
Note: Although you can make small contrast adjustments using the vertical lightness slider in
the color wheel pane of the Colors window, it’s better to use the Contrast or Levels filters to
make adjustments to the overall lightness and darkness of an image.
Parameters in the Inspector
•
Shadows: Adjusts color channels in the darkest regions of the image. Click the color well to
open the Colors window, then adjust the color balance of the darkest portion of the image. An
eyedropper lets you sample any color in the Canvas to use for balancing the image. You can
also click the disclosure triangle to reveal individual red, green, and blue channel sliders, with a
numeric range from 0 (no color) to 0.5 (unaltered color) to 1.0 (maximum color).
•
Red: Adjusts the color gain applied to the shadow range of the red color channel.
•
Green: Adjusts the color gain applied to the shadow range of the green color channel.
•
Blue: Adjusts the color gain applied to the shadow range of the blue color channel.
•
Midtones: Adjusts color channels in midtone regions of the image. Click the color well to
open the Colors window, then adjust the color balance of the range of color falling between
shadows and highlights. An eyedropper lets you sample any color in the Canvas to use
for balancing the image. You can also click the disclosure triangle to reveal red, green, and
blue channel sliders with a numeric range from 0 (no color) to 0.5 (unaltered color) to 1.0
(maximum color).
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