UPDATE: This post wasn't visible earlier, so I re-posted the question at this link: http://isiforums.net/f/showthread.php/12865-HDR-Modification-Discussion/page2 Tosch answered my question there and I continued the discussion there with my results. (Original post below) I've been reading about custom HDR profiles and testing a few that have been posted. http://isiforums.net/f/showthread.php/12865-HDR-Modification-Discussion I'm currently using the TrueLightsUltraHDR hdp posted by INSQMNIAC. http://isiforums.net/f/showthread.php/19930-TrueLightsUltraHDR That's getting close to what I'm looking for, but I'd like to tweak the settings to lighten the shadows a bit. I want to keep actual dark and black colored objects the same and have a similar overall contrast, and only tweak the shadow brightness to be less dark. Here are two screenshots, first with TrueLightsUltra (shadows too dark): View attachment 13819 A quick image edit to show the lighter shadows I'm looking for. View attachment 13818 Which of these settings should I adjust and which direction + or - to get closer to that look for the shadows, without changing actual dark and black painted textures? SkyType= StartET= AdaptET= Luminance= WhitePoint= BlackPoint= MiddleGray= PostGamma= AirMassMult= ShadowDiffusion= LocalCloudIntensity= SunTransLum= SunScatrLum= MoonTransLum= MoonScatrLum= UseBloom= BloomWhitePoint= BloomThreshold= BloomOffset=