Color Science - CIE 1931 Reference Structures (Excel)

This article has a downloadable Excel Spreadsheet with tabular data for plotting the CIE 1931 horseshoe, the black body curve, and the 7-step quadrangles bins defined in ANSI C78.377.

If you want to add MacAdam ellipses, see

https://luminusdevices.zendesk.com/hc/en-us/articles/6068482944781-Color-Science-Calculate-a-MacAdam-Ellipse-Table

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