Use the
The color selection dialog supports the following options:
Set the initial color.(ex: #FF0000)
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