PixlRGB, PIXL's working space (docs/pixlrgb/, compiled into the engine)
Copyright (c) 2026 Syed Ali (xuckless), PixlFoundation

PixlRGB's primaries, its ICC profiles and the visible range PIXL's master
guards are licensed under the Creative Commons Attribution-ShareAlike 4.0
International licence (CC BY-SA 4.0):
https://creativecommons.org/licenses/by-sa/4.0/

They are derived from the CIE 1931 standard colorimetric observer:
- The International Commission on Illumination (CIE), Vienna, AT:
  CIE 2019, Colour-matching functions of CIE 1931 standard colorimetric
  observer, DOI: 10.25039/CIE.DS.xvudnb9b (CC BY 4.0).
  The CIE's data points are used as measured facts, credited here by DOI
  and licence; no CIE table is reproduced.

A picture PIXL writes in PixlRGB carries PixlRGB's ICC profile, whose
copyright tag states these terms.