via http://stevelosh.com/blog/2009/03/candy-colored-terminal/

candy_colored_terminal.bash

    Black: 0, 0, 0
    Red: 229, 34, 34
    Green: 166, 227, 45
    Yellow: 252, 149, 30
    Blue: 196, 141, 255
    Magenta: 250, 37, 115
    Cyan: 103, 217, 240
    White: 242, 242, 242


D=$'\e[37;40m'
PINK=$'\e[35;40m'
GREEN=$'\e[32;40m'
ORANGE=$'\e[33;40m'

hg_ps1() {
    hg prompt "{${D} on ${PINK}{branch}}{${D} at ${ORANGE}{bookmark}}{${GREEN}{status}}" 2> /dev/null
}

export PS1='\n${PINK}\u ${D}at ${ORANGE}\h ${D}in ${GREEN}\w$(hg_ps1)\
${D}\n$ '