One of the handy new tools in version 2018 is the ability to create a color range mask. This allows you to target certain color ranges using a mask which you can then use to selectively apply an effect or filter.
Color Range Masks
ON1 Photo RAW 2018.5 is the only photo editor designed by photographers, for photographers, and it is the best alternative to Adobe® Lightroom® and Photoshop®. It works on a Mac or Windows and requires no subscription. Try it free!