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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
6. Creating Spot Channels in Photoshop
And what if I just want to create a new shape into Photoshop
and fill it with a spot color? You can obviously do that as well.
Let's take our star, square and ellipses again.
Go to the Channels palette menu and choose New Spot Channel.
Here you can choose your spot color the same way you have chosen
it before. Use the same settings as I have explained to you earlier.
Let's say you want to draw a square with your new spot color.
You just need to make sure that the only channel that is selected
is the one with your spot color, this way whatever painting you
do or whatever shapes you make will have the spot color.
Note that when you have selected your spot channel, your foreground
and background colors in the Tools palette will only be black,
white or shades of gray. That is because you are working only
on 1 color, i.e. your spot colors, where black indicates the maximum
intensity of your spot color and white indicates the total absence
of it. Gray indicates a tint of your spot color.