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Spot colours, preserving spot
colours in Photoshop.
How
To Preserve Spot Colors in Photoshop (version 6 and higher)
How To Preserve Spot Colors
in Photoshop (vs. 6 and higher)
written by Elisabetta Bruno
3. Set the Channel Options
Double click on the Yellow Copy channel. The window
Channel Options will show up. Make sure that where it says Color
Indicates you choose Spot Color and that you have set the solidity
to 100%. Then click onto the red square under the word Color.
When the Color Picker windows shows up, click on Custom. This
will open another window called Custom Colors. In the drop down
menu Book you can choose which set of colors to use. In this case
choose PANTONE solid coated. Choose Pantone Orange 021 C and press
OK.
Photoshop will go back to the New Spot Channel window. You will
notice that the name of your spot channel has become PANTONE Orange
021 C, whereas before it was simply named with a generic "New
Spot Channel."
Press OK.
The colors of your image might change again. Once again, don't
worry about it, yet. Now go back to your Channels palette. Click
on the eye next to the spot channel which you have just created
in order to hide it. Click on the CMYK thumbnail on top of the
Channels palette so you see all of your colors as they were before.
Select the orange star. Make the spot channel visible again and
hide the CMYK channels. Your image will be black and white to
indicate that you are only working on one channel.