In the latest Rhino 8 WIP (8.0.23052.12306, 2023-02-21) for macOS and maybe even before, the Swatch component is broken!
This is how it should look:
Hi Marc -
It looks like we have this on the list as RH-72135 Grasshopper Color Swatch - impossible to change hue
Thanks,
-wim
1 Like