Show or Hide the Swatches Palette
Menu: Window Showing/Hiding Swatches
F6 shows or hides the Color palette. Also use it to show or hide the Swatches palette if you haven't changed the default grouping of the Color and Swatches palettes. To show Swatches if the Color palette is not open , press F6, and then click the Swatches tab. To hide both the Swatches and the Color palettes, press the F6 key until they both disappear.
Choose a Swatch for the Foreground Color
Mouse: Click on a swatch
Choose a Swatch for the Background Color
Mac: Option + click on a swatch
Win: Alt + click on a swatch
In Photoshop 7.0 and ImageReady 7, Option/Alt-clicking a swatch deletes that swatch.
Add Foreground Color as a New Swatch
Mouse: Click on an empty slot in the Swatches palette
Look for the cursor to change into a bucket icon. In ImageReady, the only way to do this is to click on the New Swatch icon on the Swatches palette. You can also drag the current foreground and background colors from the Tools palette to the Swatches palette.
Delete a Swatch
Mac: Cmd + click a swatch
Win: Ctrl + click a swatch
In Photoshop 7.0 and ImageReady 3, option “/Alt-clicking a swatch deletes that swatch.
Look for the cursor to change into a scissors icon.
Insert Foreground Color as a New Swatch
Mac: Option + Shift + click in the palette
Win: Alt + Shift + click in the palette
This inserts a swatch of the current foreground color and shifts the rest of the swatches in the palette to the right.
Replace a Swatch with the Foreground Color
Mouse: Shift + click a swatch