Color Gamut is simple concept, you have the Visual color range or Gamut. the RGB Gamut, CMYK Gamut to name a few. Gamut is a simple term for the color range of a given color model. Out of Gamut is any colors that fall out of the range of a given color model. How do you fix an Out of Gamut color and why is this important. Glad you asked… queue the video!