Ctrl+P - start picking colors with a floating color picker.
Shift+Ctrl+P - show/hide palette.
Ctrl+N - new palette.
Ctrl+O - open palette.
Ctrl+R - revert current palette.
Ctrl+S - save palette.
Ctrl+E - export palette.
Shift+Ctrl+E - export selected colors.
Ctrl+I - import palette.
Ctrl+Q - quit Gpick.
Ctrl+C - copy currently selected color into clipboard as text. First enabled converter is used to convert color to the text. If multiple colors are selected, then multiple lines are produced.
Shift+Ctrl+N - set secondary view to None.
Shift+Ctrl+B - set secondary view to Blend colors tool.
Shift+Ctrl+D - set secondary view to Brightness Darkness tool.
Shift+Ctrl+M - set secondary view to Color mixer tool.
Shift+Ctrl+G - set secondary view to Scheme generation tool.
Shift+Ctrl+L - set secondary view to Layout preview tool.
Shift+Ctrl+V - set secondary view to Variations tool.
Ctrl - drop color into other color.
Shift - move colors.
Space - add to palette, copy to clipboard and/or rotate swatch. The behaviour of this shortcut key is configured in Options dialog Picker tab.
1 - select first slot.
2 - select second slot.
3 - select third slot.
4 - select fourth slot.
5 - select fifth slot.
6 - select sixth slot.
A - add all colors to palette.
E - edit current color.
Left - rotate selection in clockwise direction.
Right - rotate selection in counterclockwise direction.
1 - copy selected color into the first slot in color picker swatch.
2 - copy selected color into the second slot in color picker swatch.
3 - copy selected color into the third slot in color picker swatch.
4 - copy selected color into the fourth slot in color picker swatch.
5 - copy selected color into the fifth slot in color picker swatch.
6 - copy selected color into the sixth slot in color picker swatch.
Ctrl+1 - copy first slot in color picker swatch into selected color.
Ctrl+2 - copy second slot in color picker swatch into selected color.
Ctrl+3 - copy third slot in color picker swatch into selected color.
Ctrl+4 - copy fourth slot in color picker swatch into selected color.
Ctrl+5 - copy fifth slot in color picker swatch into selected color.
Ctrl+6 - copy sixth slot in color picker swatch into selected color.
Shift+C - clear names of selected colors.
Shift+A - name selected colors automatically by using color names.
Shift+N - name selected colors by using a constant text and number.
Delete - remove selected colors.
Ctrl+A - select all colors.