GAMUT CLIPPING COMPARISON
The original image on the left contains a range of brilliant greens which are outside the color gamut of the printer. The closest printable green is the same for all of them.
In the image on the right, use of a colorimetric rendering intent has mapped all of the greens to a single color—the one best match. Using the best match may sound like a good idea, but by strictly mapping all of the greens to that one best match, color management has wiped out important detail in the image. This is the typical problem with gamut clipping.
The use of a perceptual rendering intent will prevent this problem by preserving the relationships between similar colors. This involves a compromise to color matching, but it produces a far better picture in this example.
This is the reason a perceptual rendering intent may be preferred in situations involving large changes to gamut.