show hex color on terminal (or at least how the terminal wants to show it ^_^)

hexcat

#!/bin/bash

usage="hexcat\nUsage $0 <hexcolor>"

#https://gist.github.com/mhulse/b11e568260fb8c3aa2a8
function fromhex() {
  hex=$1
  if [[ $hex == "#"* ]]; then
    hex=$(echo $1 | awk '{print substr($0,2)}')
  fi
  r=$(printf '0x%0.2s' "$hex")
  g=$(printf '0x%0.2s' ${hex#??})
  b=$(printf '0x%0.2s' ${hex#????})
  echo -e `printf "%03d" "$(((r<75?0:(r-35)/40)*6*6+(g<75?0:(g-35)/40)*6+(b<75?0:(b-35)/40)+16))"`
}

if [ $# -lt 1 ]; then
  echo -e $usage
  exit
fi

tcolor=$(fromhex $1)
echo -e $(tput setab $tcolor) . . $(tput sgr 0)