OctaneC4D Use RGB Color Picker.
Is not interactive(Not Friendly)
Octane Standalone have live(realtime?) picker.
Want Use Enhanced Color Table or Octane Standalone Style Color Picker.
C4D R2026 / Win11 / AMD TR WX Series / 256Gb RAM / RTX 5090 FE / 100GbE
i can swith to standart color pickers, but this will not allows immediately updates while dragging the sliders. Also a note, you should change input color profile to linear to matching colors with octane's color space.