Listing 5. Finally, convert to a 6-bit GIF for the Internet.

$ gimp-monkeyiq-webgif \
   -inputimage Button-nicely-merged-with-green.png \
   -outputimage Button.gif  -dither 1 -depth 64
$ identify Button.gif
Button.gif GIF 317x213 317x213+0+0 PseudoClass ...