Cool Magenta is RCW13.9 and RCW14
Warm magenta is RCW12, PV19 and RCW13.1 PR122
Cobalt Violet Phosphate, Transparent
duel-toned is the coolest magenta. PR122 quinacridone magenta is a more common magenta pigment, also the new Opera hue which looks like a tint in mass tone.
Opposite color, Mussini Phthalo Green, Transparent
You can make a darkneutral
with
a Cobalt Violet Phosphate is a transparent, duel-toned pigment, or PR122 quinacradone magenta and Thalo or Phthalo Green wm/side, Transparent.
Cobalt Violet Phosphate is a
bleeding pigment, use it as a top color or top glaze.
No other element will make this exact
hue.