After working with WLED a lot over the weekend with 450 LEDs and 7 segments, we realized color selection is often ignored.
Made me think that it sure would be nice if the effects list UI had 2-tier selection:
Predefined Color Effects
In the predefined, any effect that ignores color selections goes there.
In 1-Color effects, any effect that ignores colors 2 & 3 goes there.
In 2-Color effects, any effect that ignores color 3 goes there.
3-Color effects is the small subset of effects using all 3 colors.
Perhaps it could be checkboxes, Effects filter: # of colors [ ] 1 [ ] 2 [ ] 3 [ ] N/A and if none are checked, the entire list of effects appear.
A greasemonkey (tampermonkey) script could do it in a web browser.