Originally Posted by GMBurns2000
Thanks for the advice. I'll see what I can do in the end.
I agree that it's more cobalt than thalo, but I think it's also more cerulean than cobalt, too.
Cerulean Blue is a bit grayer (less chroma) than either Thalo Blue, or Cobalt Blue. In other words, it's as if someone added a bit of Yellow to the mix, as well as Magenta. Perhaps the Pantone 300 demands a bit of grayness; I'm not sure.
Here's a wheel upon which I once scientifically plotted several colors, including some of the Blues we are discussing:
You can graphically see some of the differences in hue, and chroma among these "Blues".