Am 30.11.2016 um 05:09 schrieb clipka:
> Am 30.11.2016 um 04:56 schrieb clipka:
>> Gamut of all theoretically possible surface colours, under D65 (noon
>> daylight) illumination, in CIE 1931 xyY space.
> 
> Ditto, but under standard illuminant A (incandescent light bulb)
> illumination.

And now standard illuminant F4 (warm white fluorescent), which has
almost identical xy whitepoint coordinates as illuminant A, yet exhibits
a notably different gamut due to the different spectral composition
(note e.g. the obvious "flatness" of the shape near the bluish-green
horseshoe border).

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