Choose Web-Safe Colors; Choose A Cmyk Equivalent For A Non-Printable Color; Choose A Spot Color - Adobe Photoshop CS6 User Manual

Choose a color from the HUD color picker
1. Select a painting tool.
2. Press Shift + Alt + right-click (Windows) or Control + Option + Command (Mac OS).
3. Click in the document window to display the picker. Then drag to select a color hue and shade.
After clicking in the document window, you can release the pressed keys. Temporarily press the spacebar to maintain the selected shade
while you select another hue, or vice versa.
Choosing color with HUD picker
A. Shade B. Hue
To instead select a color from the image, hold down Alt (Windows) or Option (Mac OS) to access the Eyedropper tool.

Choose web-safe colors

The web-safe colors are the 216 colors used by browsers regardless of the platform. The browser changes all colors in the image to these colors
when displaying the image on an 8-bit screen. The 216 colors are a subset of the Mac OS 8-bit color palettes. By working only with these colors,
you can be sure that art you prepare for the web will not dither on a system set to display 256 colors.
Select web-safe colors in the Adobe Color Picker
Select the Only Web Colors option in the lower left corner of the Adobe Color Picker. Any color you pick with this option selected is web-safe.
Change a non-web color to a web-safe color
If you select a non-web color, an alert cube
Click the alert cube to select the closest web color. (If no alert cube appears, the color you chose is web-safe.)
Select a web-safe color using the Color panel
1. Click the Color panel tab, or choose Window > Color to view the Color panel.
2. Choose an option for selecting a web-safe color:
Choose Make Ramp Web Safe from the Color panel menu. Any color you pick with this option selected is web-safe.
Choose Web Color Sliders from the Color panel menu. By default, web color sliders snap to web-safe colors (indicated by tick marks)
when you drag them. To override web-safe color selection, Alt-drag (Windows) or Option-drag (Mac OS) the sliders.
If you choose a non-web color, an alert cube
select the closest web color.

Choose a CMYK equivalent for a non-printable color

Some colors in the RGB, HSB, and Lab color models cannot be printed because they are out-of-gamut and have no equivalents in the CMYK
model. When you choose a non-printable color in either the Adobe Color Picker or the Color panel, a warning alert triangle appears. A swatch
below the triangle displays the closest CMYK equivalent.
Note: In the Color panel, the alert triangle is not available if you are using Web Color Sliders.
To choose the closest CMYK equivalent, click the alert triangle
Printable colors are determined by the current CMYK working space defined in the Color Settings dialog box.

Choose a spot color

The Adobe Color Picker lets you choose colors from the PANTONE MATCHING SYSTEM®, the Trumatch® Swatching System™, the Focoltone®
Colour System, the Toyo Color Finder™ 1050 system, the ANPA-Color™ system, the HKS® color system, and the DIC Color Guide.
appears next to the color rectangle in the Adobe Color Picker.
appears above the color ramp on the left side of the Color panel. Click the alert cube to
in the Color Picker dialog box or the Color panel.
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