Adding color to a B&W photo

Sorry just need some help. I figured out how to do this last year but for the life of me I can’t remember how to do it. I have some color images that I convert to black and white. Then, I would select something in the image to pull out the color again. An example would be a photo of an owl. I convert it to black and white and then highlight the eyes and add the yellow color back in for a special effect.

I thought it was the opacity slider in Color Efex Pro but I’ve tried and it doesn’t seem to work.

Does anyone else remember how to add color back to a specific portion of an image?

Thanks in advance.

Dale

@Doucer1

in SilverEfex you can get your colour back with a control point

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have fun, Wolfgang

Thanks so much Wolfgang!