Like everything else on this site these come with NO guarantees and NO free support. Use them at your own risk. Updated January 2013 especially for MS

Spreadsheets and charts

Useful Formulae (21 K .xlsx)
Some handy color conversion formulae derived primarily from "Measuring Color" by Robert Hunt. NO GUARANTEES OF ACCURACY - any errors are probably ours, not Hunt's. Buy the book if you want to be sure.

Formulae

For additional color science math visit http://www.brucelindbloom.com


RGB coords (132 K .xls)
Play with phosphor coordinates and visualize them on a CIEY,x,y diagram. Compare the gamuts of different RGB working spaces. You will need some fluency in Microsoft Excel to use this.



Added March 2006: "Ekta Space PS5, J. Holmes" (copyright 1998, Joseph Holmes, http://www.josephholmes.com). Follow the link for Joe's informative Read-Me and magnificent web gallery.

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PQM chart (450 K PDF)
Track the performance of any color printer or proofing system with this 11" x 17" PDF chart. Plot daily readings with colored pens of mid-tone gray balance and density.
For use with
HCProof Qualifier.tif

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