functions to calculate inverse hex colors (for html/css hacking)

hex-color-functions.sh

#!/bin/bash

trimHash() {
	x=$1
	echo ${x:0:6}
}

hexToInt() {
	let y=0x$1
	echo $y
}

intToHex() {
	prefix="000000"
	hex=${prefix}$(printf '%x' $1)
	echo ${hex: -6}
}

inverseInt() {
	echo $((0xFFFFFF ^ $1))
}