Access to the Colour Index™ database is based on an annual subscription.

Part 1

Plus £35 per user

  • Partial Access
  • Individuals
  • Companies
  • Email Support
  • Part 1
  • Part 2

Part 2

Plus £35 per user

  • Partial Access
  • Individuals
  • Companies
  • Email Support
  • Part 1
  • Part 2

Full Access

Plus £35 per user

  • Full Access
  • Individuals
  • Companies
  • Email Support
  • Part 1
  • Part 2


Plus £6.50 per user

  • Full Access
  • Individuals
  • Companies
  • Email Support
  • Part 1
  • Part 2

Join an Existing Organization

If your organization has an existing subscription please click the below button to register using an invite code. If you do not have an invite code you will need to input the email address for your oranisations admin and wait for them to authorise your request.

Join Existing Organization

Standard License agreement


1. Database and Site

The Colour Index International (the ‘Database’) is the proprietary property of the Society of Dyers and Colourists and the American Association of Textile Chemists and Colorists (the ‘Publishers’) and is made available by the Publishers on the World Wide Web (the ‘Site’). The Publishers are the licensors of the Database and sublicense you (the ‘Customer’) to use the Database and Site, and the related documentation, pursuant to the terms and conditions of the License Agreement.

2. License

The Publishers hereby grant to the Customer the non-exclusive and non-transferable license to use the Database and Site.

3. Restrictions on Use

(a) The Database and Site may be used only by the Customer personally, or if the Customer is an organisation, only internally within the organisation, by the number of users specified in the Customer’s agreement with the Publishers.

(b) The Customer shall not make the Database or Site available to any person by means of telephone link or other telecommunications, or through downloading, loan or other arrangement.

(c) The electronically stored copy of the search output permitted under paragraph 2 above may be viewed only by directors, employees and registered students of the Customer.

(d) The Customer shall not reproduce, publish, distribute, sell or otherwise use any of the search output in any manner not expressly authorised in the License Agreement, or in any manner that would violate any law or violate or infringe upon any copyright or other proprietary right of the Publishers or any other third party.

(e) The Customer’s rights pursuant to this License Agreement shall not extend to any parent, subsidiary, affiliated or otherwise related entity.

(f) The Customer shall not attempt to copy, modify, alter, adapt, decompile, disassemble, reverse engineer, or otherwise change the Database or Site.

(g) The Customer shall not attempt to create any derivative work based upon the Database or Site.

4. Security

The Customer shall take all necessary and appropriate action to restrict and control the use of the Database and Site in accordance with the provisions of this License Agreement.

5. Payment of Taxes and Other Charges

In addition to the license fees charged by the Publishers for the licenses granted herein, the Customer shall pay all applicable taxes, duties, tariffs, and shipping and handling charges. All such taxes and charges shall be set forth on the Customer’s invoice.

6. Disclaimer of Warranty

The Publishers represent and warrant to the Customer that they have all of the rights necessary to enter into this License Agreement and to grant to the Customer the licenses set forth herein. Except for the foregoing warranty, the Publishers make no warranties of any kind, either express, implied or statutory, with respect to the Database and Site. The Publishers hereby expressly disclaim all warranties, either express or implied, of merchantability and fitness for a particular purpose with respect to the Database and Site. Under no circumstances shall the Publishers’ total liability arising from or related to the Database and Site, regardless of whether any such claim or action is based on contract, tort or otherwise, exceed the amount of the license fee paid by the Customer to the Publishers for the licenses granted herein. Notwithstanding anything to the contrary contained herein, the Publishers shall not, under any circumstances, be liable to the Customer for direct, indirect, consequential, incidental, special or exemplary damages, including lost profits or loss of use, arising or resulting from the Database or Site, whether based upon contract, negligence, strict liability or otherwise, even if notified of the likelihood of such damages occurring. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which may vary from country to country.

7. Termination

The licenses granted herein are effective until terminated. The Customer may terminate these licenses at any time. The licenses granted herein shall terminate immediately and without notice from the Publishers if the Customer fails to comply with any provision of the License Agreement.

8. Force Majeure

The Publishers shall not be liable for any delay or failure in performance resulting from any cause beyond their reasonable control, including, without limitation, war, strikes, civil disturbances, and acts of God.

9. Indemnification

The Customer shall indemnify and hold harmless the Publishers from and against any and all claims arising out of or related to the Customer’s use of the Database and Site.

10. No Assignment

This License Agreement and the licenses granted to the Customer herein may not be assigned, transferred, licensed, sublicensed, or leased by the Customer.

11. Defined Terms

Defined terms, when used in this License in the singular, shall include the plural, and in the plural, the singular, unless and except as the context may otherwise require.

12. Entire Agreement

This License Agreement constitutes the entire agreement between the Publishers and the Customer with respect to the matters set forth herein. The Customer expressly acknowledges and agrees that the terms of any Customer purchase order by the Publishers shall be for acknowledgement purposes only.

14. Severability

The invalidity or unenforceability of any provision of the License Agreement shall not affect the validity or enforceability of any other provision.

How to Subscribe

In short, press the "sign up" button on any of the above subscriptions and you will be guided through the process on the next screen. For a little more information please continue to read.

Annual Paid Subscriptions

Access to the Colour Index™ database is based on an annual subscription to the Colour Index™ Online and gives you full unlimited access to the Colour Index™ for 12 months. There are a number of options available which are highlighted below so please consider the options carefully before proceeding.

Option A: Coverage

  • Are you interested in Pigments and Solvent Dyes only? If so, you need Part 1 of the Colour Index™
  • Are you interested in Dyes and Related Products only? If so, you need Part 2 of the Colour Index™
  • Are you interested in all classes of colorants (pigments and dyes)? If so you need the Full Edition (Parts 1 and 2) of the Colour Index™

Option B: Number of Users

  • Select whether you want an individual or cmpany subscription along with the number of user licences you need within your organisation.

University Licences

There are special arrangements available for University licences. Organisations that can prove that they are educational receive a discount on both the set up costs and the licence fee as well as reduced costs for each user. Click on the How to Subscribe link and follow the procedure to find out the costs.

Standard Licence Agreement

All subscriptions taken are bound by our standard licence agreement. It is important that you read and understand this agreement before taking on a subscription. A copy of the Standard Licence Agreement is available.

For any further assistance, please contact us

Read Standard Licence Agreement


  • 27,000 individual products under 13,000 Colour Index™ Generic Names
  • Popular format with unique 'fingerprint' concept
  • Product listings, containing detailed information about individual products
  • All Part 1 information confirmed with manufacturers and suppliers
  • Part 2 information either confirmed with manufacturers and suppliers or marked as being carried over from the previous edition
  • Chemical structures depicted according to results of recent research on molecular conformation 

Designed for use by

  • Colourant users, manufacturers and suppliers
  • Textile manufacturers and suppliers
  • Paint manufacturers and suppliers
  • Plastics manufacturers and suppliers
  • Printing ink manufacturers and suppliers
  • Test houses
  • Libraries, regulatory authorities and academic institutions
  • Anybody with an interest in dyes and pigments

About SDCE

SDC Enterprises offers a comprehensive range of consumables for enhanced accuracy in BS, EN and ISO test procedures for textiles. Internationally-recognised as the industry leader, SDCE is specified by name by retailers worldwide seeking the assurance of reliability and consistency in textile testing.


AATCC is the world’s leading not-for-profit association serving textile professionals. AATCC provides test method development, quality control materials, and professional networking for thousands of members in 60 countries throughout the world.

These goals are achieved through the activities of three interest groups—Chemical Applications, Concept 2 Consumer®, and Materials—by Committee and Section activities, and through the award-winning publications, AATCC Review and AATCC News.

Interested in joining the Colour Index™?

We can provide both individual, company and university based subscriptions for the Colour Index™. Companies benefit from a reduced per user pricing structure with significant discounts available for Universities / Educational Establishments which come as part of the charitable activities of the Society of Dyers and Colourists (SDC), to help students, researchers and anyone involved in the education of colour.