To add to this, I used the ColorSync Utility to check my profiles, and it found 24 bad out of 180. I used repair to repair some of them, but, 8 remain bad. Not sure where they came from or why they were bad (or, how really bad they are)?
Searching for profiles...
Checking 180 profiles...
/System/Library/ColorSync/Profiles/ACESCG Linear.icc
Header message digest (MD5) is not correct.
/System/Library/ColorSync/Profiles/ITU-2020.icc
Header message digest (MD5) is not correct.
/System/Library/ColorSync/Profiles/ITU-709.icc
Header message digest (MD5) is not correct.
/Library/Application Support/Adobe/Color/Profiles/RedBlueYelllow.icc
Tag 'pseq': Required tag is not present.
/System/Library/ColorSync/Profiles/ROMM RGB.icc
Header message digest (MD5) is not correct.
/Library/Application Support/Adobe/Color/Profiles/Smokey.icc
Tag 'pseq': Required tag is not present.
/Library/Application Support/Adobe/Color/Profiles/TealMagentaGold.icc
Tag 'pseq': Required tag is not present.
/Library/Application Support/Adobe/Color/Profiles/TotalInkPreview.icc
Tag 'pseq': Required tag is not present.
Verify done. Found 8 bad profiles.