How to remove blue fringing around tree branch silhouettes in RT?

[yasuo (Ohnishi, Yasuo)]

With ART, not RT, and CTL script in following link, which I made, you can easily correct this problem.

Relative Color Area Collection tool (ex-"Color Cast Correction tool") for ART with CTL

I have revised my Relative Color Correction CTL script. In this time, I have added Gamma adjustment for correction value and applying uniform strength option. And I have rearranged parameter control items in the UI. [Clipboard_01-21-2024_01] For Gamma adjustment, originally correction amount was based on perceptual (Gamma 2.2) data (Gamma value was fixed and not adjustable), however in this time, I have changed its Gamma value adjustable (0 to 2.2). You can confirm this adjustment effect with …

If you allow me to use this file, I can show the example.