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Sort By Hue sorts by the location of the color on the standard color wheel (expressed as a degree from 0 to 360). Neutral colors are
assigned a hue of 0 and located with the reds.
Sort By Luminance sorts by the lightness or brightness of a color.
Sort By Popularity sorts by the colors' frequency of occurrence in the image.
Add a new color to the color table
You can add colors that were left out in building the color table. Adding a color to a dynamic table shifts the color in the palette closest to the new
color. Adding a color to a fixed or Custom table adds an additional color to the palette.
1. If any colors are currently selected in the color table, choose Deselect All Colors from the Color Table palette menu to deselect them.
2. Choose a color by doing one of the following:
Click the Eyedropper Color box in the SaveFor Web & Devices dialog box and choose a color from the color picker.
Select the Eyedropper tool in the Save For Web & Devices dialog box and click in the image.
3. Do one of the following:
Click the New Color button
SelectNew Color from the Color Table palette menu.
To switch the color table to a Custom palette, hold down Ctrl (Windows) or Command (Mac OS) when you add the new color.
The new color appears in the color table with a small white square in the lower right corner, indicating that the color is locked. If the color
table is dynamic, the original color is displayed in the upper left and the new color is displayed in the lower right.
Select colors in the color table
A white border appears around selected colors in the Color Table.
To select a color, click the color in the Color Table.
To select multiple colors in the color table, press Shift and click another color. All colors in the rows between the first and second selected
colors are selected. To select a nonadjacent group of colors, press Ctrl (Windows) or Command (Mac OS) and click each color that you want
to select. The Color Table palette menu also provides commands for selecting colors.
To select a color in the preview image, click in the preview with the Save For Web & Devices Eyedropper tool. Shift-click to select additional
colors.
To deselect all colors, choose Deselect All Colors from the Color Tablepalette menu.
Shift a color
You can change a selected color in the color table to any other RGB color value. When you regenerate the optimized image, the selected color
changes to the new color wherever it appears in the image.
1. Double-click the color in the color table to display the default color picker.
2. Select a color.
The original color appears at the upper left of the color swatch and the new color at the lower right. The small square at the lower right of
the color swatch indicates that the color is locked. If you shift to a web-safe color, a small white diamond appears at the center of the
swatch.
3. To revert a shifted color to its original color, do one of the following:
Double-click the swatch for the shifted color. The original color is selected in the color picker. Click OK to restore the color.
To revert all shifted colors in a color table (including web-shifted colors), choose Unshift All Colors from the Color Tablepalette menu.
Shift colors to the closest web palette equivalent
To protect colors from dithering in a browser, you can shift the colors to their closest equivalents in the web palette. This ensures that the colors
won't dither when displayed in browsers on either Windows or Macintosh operating systems capable of displaying only 256 colors.
1. Select one or more colors in the optimized image or color table.
2. Do one of the following:
Click the Web Shift button
Choose Shift/Unshift Selected Colors To/From Web Palette from the Color Table palette menu.The original color appears at the upper
left of the color swatch and the new color at the lower right. The small white diamond
the color is web-safe; the small square at the lower right of the color swatch indicates that the color is locked.
3. To set a tolerance for shifting, enter a value for Web Snap. A higher value shifts more colors.
4. To revert web-shifted colors, do one of the following:
Select a web-shifted color in the color table and click the Web Shift button
in the color table.
in the Color Table palette.
in the center of the color swatch indicates that
in the Color Table palette.
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