Spot Color

Spot color:
a different method of printing in which each color is printed with its own ink.
Spot color printing is more cost effective when printing with only 1, 2, or 3 color printing.
for anything more, it would be more effective to use CMYK.

Pantone matching system:
a system and set of inks that every printer in the world prints from.

Color is REALLY important.
-color can create different feelings and emotions from the audience.
-interpretation of color may very depending on age, gender, and cultural demographics. So color should be carefully based on your target audience.
-colors can mean different things in different countries and places.
-Colors also tend to follow trends, just like fashion. So a new vibrant company may want to follow current trends, whereas a bank may choose to stay with a more conservative color palette.

-keep your color to 2 or 3. too many colors will increase your cost of production. As well, it may cause a chaotic design.