colors used on spot color proofs are also known as "matched"
colors, special colors, or by one of the brand names "Pantone"
or "PMS" colors. Spot colors are printed from a single ink
on a separate printing unit of the press. Spot colors can be standard,
pastel, fluorescent or metallic colors. Several colors can be printed
in select areas to create two, three or more color jobs. Spot colors
can be used on may types of jobs, such as business cards, letterheads,
forms, brochures and direct mail pieces.
There are several variables involved with
spot colors. A few manufacturers create color guides such as binders,
chips, and fan books to show the spot colors and the equivalent process
colors. It is important to realize that the color guides fade over time
and the paper may change colors so check the date of your guide and
replace it periodically.
When you choose the spot color on the
monitor, remember that it is simulated in RGB, and not as the spot color
or CMYK. Be sure to tear off a chip from the guide and include it with
Remember that if you are trying to match
a spot color with process colors, very few colors will match. Many spot
colors are outside of the color gamut of process inks. The paper stock
that is used for the job will also provide different results than expected.
The use of varnishes or coatings can also change the appearance of the