Going pretty far off topic here, but you might enjoy rainbow-mode: http://julien...

		shabble on Dec 28, 2011 \| parent \| context \| favorite \| on: After 7.5 years, Firefox finally adds line numbers... Going pretty far off topic here, but you might enjoy rainbow-mode: http://julien.danjou.info/software/rainbow-mode as a partial alternative (although it's more a preview than a picker)