Diff of CIEDE2000

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to CIEDE2000.

TITLE:CIE DE2000
[[ColorDifference]] > [[CIEDE2000]]

- https://ci.nii.ac.jp/naid/80012471781
- https://onlinelibrary.wiley.com/doi/pdf/10.1002/col.1049

- 新しい色差式（CIE DE2000）について
--  https://www.konicaminolta.jp/instruments/knowledge/color/part5/index.html

-  色の距離（色差）の計算方法
-- https://qiita.com/shinido/items/2904fa1e9a6c78650b93

- The CIEDE2000 Color-Difference Formula: Implementation Notes, Supplementary Test Data, and Mathematical Observations

--  https://pdfs.semanticscholar.org/969b/c38ea067dd22a47a44bcb59c23807037c8d8.pdf
  CIEDE2000 total color difference test data