It is possible to see something close (how close I don't know) by saturating the S & M cones instead of avoiding them. Wikipedia refers to these as 'chimerical colors':
https://en.wikipedia.org/wiki/Impossible_color#Chimerical_co...
Demonstration of this: https://dynomight.net/colors/ (https://news.ycombinator.com/item?id=44594808)
Demonstration of this: https://dynomight.net/colors/ (https://news.ycombinator.com/item?id=44594808)