Bookmark Creating Better Pictures: HDR Color Grading and Mastering High Dynamic Range (HDR) Technology is changing the way we post and view images. It’s the biggest leap forward in picture quality since the move to HD. Learn what it takes to create stunning content for this new game changing format. Understanding what HDR is and is not. Color Management & ACES for HDR Post Workflow Creative Color Grading in HDR. HDR Delivery. Keith Roush Keith Roush is a 2015 HPA-nominated award-winning Senior Colorist. Many of Keith’s clients have been recipients of Oscars, Grammys and other awards.