Okay   in a short while due to fading of other blues
          "it" will be bluier than blue .....
As I understand it even a wavelength of 460 nanometers gets
  "tired" as it travels thru COSMOS (tm) and ends up looking
decidedly "peak...ed"
Gus

>
> On Nov 17, 2009, at 8:27 PM, Russell McMahon wrote:
>
>> The world's bluest pigment     Bluier then blue
>
> It's not possible to be bluer than blue. But bluier maybe.
> Starting at white (or any other colour "point" except blue) you can
> 'move' (spectrally speaking) towards blue. After arriving AT blue you
> can continue moving in the same direction, which is not bluer, but
> mayhaps is bluier.
>
> If this confuses you Gargoyle for CIE1931, and you can be sure to end
> up even more confused.
>
>
>           Russell
>
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