Imagemagick script for tinting images. Replace all color with given.

convert-tint

#!/usr/bin/env bash

if [ $# -le 2 ]; then
    echo 'convert-tint - script for tinting images, replace any color with given.'
    echo 'Usage: convert-tint source.jpg "#FF0000" target.jpg'
    exit 0
fi

source=$1
color=$2
target=$3

# Final command
# convert source.jpg -fuzz 99.9% -fill "#FF0000" -opaque black out.png

convert ${source} -fuzz 99.9% -fill ${color} -opaque black ${target}