High saturation primaries

[Oskar (Oskar Larsson)]

I really really wish there will be a permanent fix to this issue soon, but in the meantime, maybe the .ctl provided by Scott Dyer in this thread can help us:

Colour artefacts or breakup using ACES

From your screengrabs, this looks very familiar as an issue that others have occasionally encountered in the past on other productions. The issue usually appears when LEDs or brightly colored lights are shot directly into the camera. Depending on the lens and capture scenario, the camera can “see” these colors in a way that produces problematic colorimetry for some of the later ACES color transforms. When I get time, I will try to make a post explaining the “why” of this perceived artifact. Mor…

I´d like to point out that it´s not only super saturated blues that have this issue, but also reds.