Mac OS X Panther in a Nutshell, 2nd Edition

Name

Colors

Synopsis

Find the 8-bit hexadecimal value for a color from an image?

Open the image with Preview (/Applications)→launch DigitalColor Meter (in /Applications/Utilities)→select “RGB As Hex Value, 8-bit” from the pull-down menu→move the mouse pointer over an area in the image →Shift--H (for Hold Color) holds the RGB value in the application window

Copy an RGB color value from an image and paste it into an HTML document?

Open the image with Preview→launch Digital→Color Meter→select “RGB A Hex Value, 8-bit” from the pull-down menumove the mouse pointer over an area in the imageShift--C (for Copy Color)switch to the text editor you’re using to edit the HTML page→use -P to paste in the hex value (e.g., “#FFCC00”)

Convert a full-color PDF document to grayscale?

Follow these steps:

1. Launch the ColorSync Utility (/Applications/Utilities).

2. Click on the Filters button in the toolbar.

3. In the Filters list (left column) select Gray Tone.

4. Click on the “View file with Filter...” button.

5. Select a PDF document to open.

6. A Preview window opens with the PDF document in view; in that window:

   1. Select Gray Tone in the Filters list on the left.

   2. Select the checkbox next to Preview at the top of the window; all of the ...