How to extract the color value from region?

Hi, colleagues!

Can anyone to help with one question?

The problem is that I want to extract the color value from region, but I don't understand how to make it?


I need to get values of R G B channels of some circle region )

you can use  'get_grayval' or 'intensity' operator

Hi, VIPZMS!!!

Thank you! Your answer works!!! {:6_199:}