I have a jpg image.
I need to know \"overall average\" the color of the image. At first glance there can use the histogram of the image (channel RGB).
At wor
A shorter solution for true color image would be to scale it down to 1x1 pixel size and sample the color at that pixel:
$scaled = imagescale($img, 1, 1, IMG_BICUBIC); $meanColor = imagecolorat($img, 0, 0);
...but I haven't tested this myself.