If you service bureaus tells you that some of the colors in your file are "out of Gamut" what do they mean by that and how do you resolve this problem.
Please see this website - http://www.colorremedies.com/articles/. It has a number of articles discussing this very issue.
What is gamut? Gamut is a range of colors. The bigger the gamut, the more saturated colors it contains, possibly the more colors it contains as well. Saturation is purity of color.
RGB is a color model defined by red, green and blue primary colors, CMYK is defined by cyan, magenta and yellow as ...
The term, out of Gamut, is briefly explained.