On 11/28/2016 6:05 PM, clipka wrote:
>> I thought there was some tapering as the Y increases? This image
>> suggests that is the case.
>>
>> http://www.math.ubc.ca/~cass/courses/m309-03a/m309-projects/bajwa/images/cie_3d.gif
>
> That's not the limit of the xyY space.
>
> That's the theoretical limit of _reflective_ colours illuminated by
> standard illuminant C, plotted in xyY space.
>

Yes, that is fine. Not sure whether to use C or D65, though.

https://en.wikipedia.org/wiki/Illuminant_D65

These images on Wikipedia use D65, so I may just stick with that.

https://en.wikipedia.org/wiki/File:Cie_Chart_with_sRGB_gamut_by_spigget.png
https://en.wikipedia.org/wiki/File:CIE1931xy_gamut_comparison.svg
https://en.wikipedia.org/wiki/File:Lab_color_space.png (I think)


Mike

Post a reply to this message