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Colour Index International

Reference database

Colour Index International (CI) is a reference database jointly maintained by SDC Enterprises and the American Association of Textile Chemists and Colorists. It currently contains over 27,000 individual products listed under 13,000 Colour Index Generic Names. It was first printed in 1924 but is now published solely on the Internet.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1925Founded1

Colour Index International (CI) is a reference database jointly maintained by SDC Enterprises and the American Association of Textile Chemists and Colorists. It currently contains over 27,000 individual products listed under 13,000 Colour Index Generic Names. It was first printed in 1924 but is now published solely on the Internet. The index serves as a common reference database of manufactured colour products and is used by manufacturers and consumers, such as artists and decorators.2

Timeline

  1. 1925Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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