Bash script to output the color in Gruvbox theme. Uses sharkdp/pastel

gruvbox

#!/usr/bin/bash

usage() {
    echo "gruvbox ( light | dark ) <COLOR>"
    exit 1
}

color() {
    case "$1" in
        red)          c="cc241d";;
        green)        c="98971a";;
        yellow)       c="d79921";;
        blue)         c="458588";;
        purple)       c="b16286";;
        aqua)         c="689d9a";;
        orange)       c="d65d0e";;
        dark-red)     c="9d0006";;
        dark-green)   c="79740e";;
        dark-yellow)  c="b57614";;
        dark-blue)    c="076678";;
        dark-purple)  c="8f3f71";;
        dark-aqua)    c="427b58";;
        dark-orange)  c="af3a03";;
        light-red)    c="fb4934";;
        light-green)  c="b8bb26";;
        light-yellow) c="fabd2f";;
        light-blue)   c="83a598";;
        light-purple) c="d3869b";;
        light-aqua)   c="8ec07c";;
        light-orange) c="fe8019";;
    esac
    echo "$c"
}

gray=("282828"
      "3c3836"
      "504945"
      "665c54"
      "7c6f64"
      "928374"
      "a89984"
      "bdae93"
      "d5c4a1"
      "ebdbb2"
      "fbf1c7")

case "$1" in
    dark)
        case "$2" in
            red|dark-red)       c=$(color red);;
            green|dark-green)   c=$(color green);;
            yellow|dark-yellow) c=$(color yellow);;
            blue|dark-blue)     c=$(color blue);;
            purple|dark-purple) c=$(color purple);;
            aqua|dark-aqua)     c=$(color aqua);;
            orange|dark-orange) c=$(color orange);;
            light-red)          c=$(color light-red);;
            light-green)        c=$(color light-green);;
            light-yellow)       c=$(color light-yellow);;
            light-blue)         c=$(color light-blue);;
            light-purple)       c=$(color light-purple);;
            light-aqua)         c=$(color light-aqua);;
            light-orange)       c=$(color light-orange);;
            bg-h)               c="1d2021";;
            bg-s)               c="32302f";;
            bg0|bg)             c=${gray[0]};;
            bg1)                c=${gray[1]};;
            bg2)                c=${gray[2]};;
            bg3)                c=${gray[3]};;
            bg4)                c=${gray[4]};;
            gray|dark-gray)     c=${gray[5]};;
            fg4|light-gray)     c=${gray[6]};;
            fg3)                c=${gray[7]};;
            fg2)                c=${gray[8]};;
            fg1|fg)             c=${gray[9]};;
            fg0)                c=${gray[10]};;
            *) echo "Invalid color"; usage ;;
        esac
        pastel color "$c"
        ;;
    light)
        case "$2" in
            red|light-red)       c=$(color red);;
            green|light-green)   c=$(color green);;
            yellow|light-yellow) c=$(color yellow);;
            blue|light-blue)     c=$(color blue);;
            purple|light-purple) c=$(color purple);;
            aqua|light-aqua)     c=$(color aqua);;
            orange|light-orange) c=$(color orange);;
            dark-red)            c=$(color light-red);;
            dark-green)          c=$(color light-green);;
            dark-yellow)         c=$(color light-yellow);;
            dark-blue)           c=$(color light-blue);;
            dark-purple)         c=$(color light-purple);;
            dark-aqua)           c=$(color light-aqua);;
            dark-orange)         c=$(color light-orange);;
            bg-h)                c="f9f5d7";;
            bg-s)                c="f2e5bc";;
            bg0|bg)              c=${gray[10]};;
            bg1)                 c=${gray[9]};;
            bg2)                 c=${gray[8]};;
            bg3)                 c=${gray[7]};;
            bg4|dark-gray)       c=${gray[6]};;
            gray|light-gray)     c=${gray[5]};;
            fg4)                 c=${gray[4]};;
            fg3)                 c=${gray[3]};;
            fg2)                 c=${gray[2]};;
            fg1|fg)              c=${gray[1]};;
            fg0)                 c=${gray[0]};;
            *) echo "Invalid color"; usage ;;
        esac
        pastel color "$c"
        ;;
    *) echo "Invalid theme"; usage ;;
esac