Colorizing images is fairly easy to do. The easiest way to colorize an image is fairly simple to grasp. Create an image of the same dimensions and fill that image with the color you want to change it to. This new image is then placed on top of the older image, giving it a colorized look.

download options for image editing / colorizing

you can download the source as PHP file,

open the file as plain text in a new window or

get the code in a textarea to copy it.