ACCESSING GRAYED OUT FILTERS IN CMYK

PHOTOSHOP TIPS AND TRICKS: THURSDAY'S TIP

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If you're working in CMYK mode, you'll notice that some of the filters are "grayed out" in the Filter menu, preventing you from accessing them. Rather than converting to RGB, which could affect colors, try this: go to the Channels palette and click on the Cyan channel. Now look in the Filter menu and you'll see that all filters are available. All you have to do is apply the same filter to all four channels, one at a time. To do this quickly, apply the filter to the Cyan channel, then press Command-2 (PC: Control-2) to activate the Magenta channel, and Command-F (PC: Control-F) to reapply the same filter. Press Command-3, Command-F (PC: Control-3, Control-F) for the Yellow channel then Command-4, Command-F (PC: Control-4, Control-F) to apply it to the Black channel. Note: This doesn't work as well with "random" filters such as Render Clouds.