This is a more accurate representation of how your color will appear when output on a CMYK press. If the gamut warning does appear, notice that directly beneath the symbol is a small rectangle with a similar yet less-saturated color. If it does not appear, your color will most likely appear on press very close to how it appears onscreen. It only appears to the right of the color sample box if the selected color is out of gamut. After the color appears in the Foreground color swatch, click that color swatch to launch the Color Picker.Īs shown in the following illustration, the gamut-warning symbol looks like a triangle with an exclamation point. TRY IT To check for out-of-gamut colors, use the Eyedropper tool and click a color you want to investigate. How can you tell whether your color is out of the CMYK color gamut? This technique shows you. The bad news is that a lot of the very bright super-saturation colors won't reproduce on a full-color press. The number of these colors is greatly reduced if I choose a blue inside the gamut of my color profile for my paper, in the color selector and with the 'Out of gamut colors' warning on. It works well, but I have a lot of out of gamut colors. Photoshop's Color Picker is chock full of more colors than a designer can imagine. The shading is blue-black at left, saturated blue at 50 and white at right (or bluish white).

Qimage ultimate out of gamut warning