Use the --color-selection option.

Use the --color-selection option to create a color selection dialog.

The color selection dialog supports the following options:

<cmd>--color</cmd>=<var>VALUE</var>

Set the initial color.(ex: #FF0000)

<cmd>--show-palette</cmd>

Show the palette.

The following example script shows how to create a color selection dialog:

`#!/bin/sh COLOR=`zenity --color-selection --show-palette` case $? in 0) echo "You selected $COLOR.";; 1) echo "No color selected.";; -1) echo "An unexpected error has occurred.";; esac`
Color Selection Dialog Example Zenity color selection dialog example