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Hit Those Channels Fast

 

When you’re in the Curves dialog (Command-M [PC: Control-M]), if you’re charging by the hour, you can certainly travel up to the Channel pop-up menu and choose each individual channel you want to work on, but if you want to do it the fast way, just press Command-1 for Red, Command-2 for Green, and Command-3 for Blue (PC: Control-1, Control-2, etc.). If you need to return to the composite RGB channel, press Command-Tilde (PC: Control-Tilde). By the way, the Tilde key looks like ~, and it lives right above the Tab key on your keyboard. Don’t feel bad. Nobody knows what the Tilde key is. We’re not sure it’s a real symbol at all. We think it was made up so there wouldn’t be an empty space there on your keyboard. Hey, it’s somewhat plausible.

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Once You’re In CMYK Mode, Stay There

You’ve read some techniques in this chapter that require you to be in either RGB mode or Lab Color mode; however, if for any reason your image is already in CMYK mode, do not (I repeat, do not) convert to RGB or Lab mode for any reason. Once you’ve converted to CMYK mode, the data loss from the conversion has already occurred, and switching back to RGB mode won’t bring back those lost colors. What’s worse is, if you switch from CMYK to RGB (or Lab), when you convert back to CMYK mode, you’ll go through another CMYK conversion and damage your image even more. The moral of this story is-once you’re in CMYK mode, stay there.

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