Spot Channel

I am sure you are familiar with spot channel. This could be just a reminder for some of you or new information for some...any way...

Spot color channels are designed to provide a channel for additional inks to be used in commercial printing. The location in the image where the ink should be applied is stored in the spot channel. A separate printing plate is generated, and an additional run through the press is required.

Spot colors can be used with CMYK documents intended to print:

Additional colors

If you need to ensure an exact match for a corporate logo, you may want to use a spot color

Another typical use is extending the color range of an image beyond those that can be produced using the CMYK inks ( I have given and example bellow, see the flowers given bellow....but be ware of the gamut range)

Neon and metallic colors can be added with spot channels.(5th colour or more)

To control varnishes:

Spot channels can be used to identify areas of an image over which a varnish will be applied.

Original

Picture adjusted with spot colour. Just two clours, BK and the spot colour

This are the spot colours used

Spot colours added to the original picture

Spot colours added to a BW picture of the original

Why dont you try it out. Or do you have anyother way you use spot channel. What are the methods you use to print an additional colour? This method can be used to make a plate for spot lamination too. Let me know what you think of it. Post your comments here.