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

Going pretty far off topic here, but you might enjoy rainbow-mode: http://julien.danjou.info/software/rainbow-mode http://julien.danjou.info/software/rainbow-mode as a partial alternative (although it's more a preview than a picker)