Well written!
Yes we can use any colors as “primary colors”, I use 6 when I paint (plus burnt Sienna & Umber because I’m lazy).
The colors you chose lets you mix up paints in a gamut, a gamut of colors is what you can get from those “primaries” that constitute said gamut.
Cheers.



Except ur mom because she’s so fat she can’t run.
Sorry, a joke from the Doom era escaped…