- The added line is THIS COLOR.
- The deleted line is THIS COLOR.
- A Color-Rendition Chart
-- http://www.cis.rit.edu/~cnspci/references/mccamy1976.pdf
- X-Rite Color Checker (CC) Classic array, with CIELab values.
-- https://www.researchgate.net/figure/X-Rite-Color-Checker-CC-Classic-array-with-CIELab-values_fig2_320602091
- THE COLORCHECKER PAGES
-- http://www.babelcolor.com/colorchecker.htm
- Useful Color Data
-- https://web.archive.org/web/20161203193632/http://www.cis.rit.edu/research/mcsl2/online/cie.php
- https://github.com/toru-ver4/ColorChecker_for_ST2100