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Edit Your Captures > SnagIt Capture Preview Window Menu Options > Capture Preview Window Colors Menu

Capture Preview Window Colors Menu

Note: This menu is only available with Image capture.

The Colors menu allows you to access the Grayscale, Invert, Color Resolution, and Color Substitution options along with several others. To select a Colors option, simply select the desired option from the dropdown menu.

Preview Window Colors Menu Description Table

The following table describes each of the Capture Preview window Colors menu options along with their description.

Corresponding Tasks Pane Button	Menu Item Name	Description
	Halftone	This option changes the selected image to a dithered black and white image. See also Halftone Task Page.
	GrayScale	This option changes the selected image to 256 shades of gray. This improves printing on some printers. It can also decrease files size in some circumstances. The effect will immediately be applied. There are no other options for this effect.
	Color Depth	This option is used to set an image's color resolution during or after capture. The Color Depth task page is the same as the task page available from the SnagIt Filters menu. However, the task page within Capture Preview window and SnagIt Editor shows a preview thumbnail, whereas this is not possible in SnagIt before the capture is taken. See also Custom Color Depth Effect.
	Invert	This option inverts the colors of a selected image, similar to a photographic negative. The effect will immediately be applied. There are no other options for this effect.
	Transparent Color	Use transparent color to set a color in an image to transparent. This can be helpful for graphics destined for the Internet or other online systems. On the Internet, most recent Web browsers support transparent GIF. This allows you to import graphics that have areas to be the same color as the background color you are using on Web pages. See also Transparent Color Task Page.
	Color Substitution	This option is used to substitute colors in a captured image. Select this option to access the Color Substitution task page, which allows you to select the Old and New colors for substitution. See also Color Substitution Task Page.
	Color Correction	Brightness This option changes the intensity (brightness) of the selected image. See also Contrast This option changes the contrast between light and dark portions of the selected image. See also Hue This option changes the hue of colors in the selected image (similar to rotating a color wheel to select a different mixture of colors). See also Saturation This option increases or decreases the saturation of colors in a selected image. Saturation is the quantity of a color in pixels, from gray at the lowest saturation to rich color in the highest. See also Gamma This option adjusts the intensity of colors in a selected graphic by changing the gamma constant that is used to map the intensity values. Gamma correction changes brightness using a logarithmic scale for visual perception. Gamma is a constant that is used to calculate the progression. For most CRTs, the gamma constant is in the range of 2.2 to 2.5. See also Color Correction Task Page.
	Advanced	Histogram Equalize This option makes linear the number of pixels per gray level in the image. This can be used to show details in dark areas of an image. Once selected, the effect will immediately be applied. There are no other options for this effect. Histo-Contrast This option increases or decreases the contrast of the selected image, using a histogram to find the median brightness. Once selected, the effect will immediately be applied. There are no other options for this effect. Stretch Intensity This option increases the contrast in the selected image by centering, maximizing, and proportioning the range of intensity values. Once selected, the effect will immediately be applied. There are no other options for this effect. Intensity Detect This option filters the specified graphic to find colors in a specified intensity range. Use slide controls to set the low and high thresholds. Once selected, the effect will immediately be applied. There are no other options for this effect. See also Color Depth Effect.