That was an interesting exercise... I don't mind admitting when I'm wrong, and sure enough, if you add a little black to red you get purple (maybe more of a violet)... So much for the color wheel.I posted this in the color cookbook as well. This should get you really close (within a drop or 2) of what you are looking for:It is a little blacker looking in person. CCM JR busted these out.(Baits to the right)8 oz Plastic3 Drops X2 Red18 Drops X2 Black1/4 tsp. .015 Red glitteror(Baits to the left - by thumb)8 oz Plastic30 Drops Regular Red24 Drops X2 Black1/4 tsp. .015 Red glitterLet us know how it turns out for you.Jason