Auto image search Cropped image region?

Question

This maybe a niche request .

There are rare occasions where I'd like to run image searches on part of a image. Not the whole .

Ideally auto run image search upon release of a drag crop selection of the image.

I've looked online for a answer and have found none . This is a niche productivity need , but figured its a question this forums equipped to address .

Currently my process is slow : I have to screen capture the region and download. Then upload to image search and hit the run button .

Often use this for color or shape reference .Sometimes to find like or exact images.

This could be useful also for images not easily downloaded. Where a capture region is needed. But to do a search automatically would in such cases save time .