Re: [ECI-EN] Tolerance of proofing substrate color

Thanks Thomas. Regards Sean From: eci-en-bounces(a)lists.callassoftware.com [mailto:eci-en-bounces@lists.callassoftware.com] On Behalf Of Thomas Richard Sent: 17 January 2011 11:22 To: eci-en(a)lists.callassoftware.com Subject: Re: [ECI-EN] Tolerance of proofing substrate color Hello, Hi Mauro, The dE can be calculated from dL*, da* & db* as it is the square root of the sum of the squares odd L*, da* & db*. The formula below shows how. Using[cid:image001.png@01CBB640.ABA6F940] and[cid:image002.png@01CBB640.ABA6F940] , two colors in L*a*b*: [cid:image003.png@01CBB640.ABA6F940] You can also use your own program DeltE: http://www.adobe.com/cfusion/marketplace/index.cfm?event=marketplace.offeri… SCNR ;-) MfG Thomas Richard Click here<https://www.mailcontrol.com/sr/wQw0zmjPoHdJTZGyOCrrhg==> to report this email as spam. ----------------------------------------------------------------------------- For all customer enquiries, please contact Emma Tang or Carol Baddeley: Tel: +44 (0)1782 764428. UK customers: 0845 026 0902. enquiries(a)ceram.com www.ceram.com CERAM is the trading name of CERAM Research Ltd, a subsidiary of British Ceramic Research Ltd. CERAM Research Ltd, Queens Road, Penkhull, Stoke-on-Trent, Staffs ST4 7LQ, UK is a company registered in England with company number 1960455 and VAT number GB 729 8522 00. British Ceramic Research Ltd, Queens Road, Penkhull, Stoke-on-Trent, Staffs ST4 7LQ, UK is a company registered in England with company number 453225 and VAT number GB 729 8522 00. Where results above are issued in advance of a full report they are in accordance with the Conditions of business of CERAM Research Ltd and relate only to the samples tested. No responsibility is taken for the accuracy of sampling unless this has been done under our supervision. The information shall not be reproduced in part without the written permission of CERAM Research Ltd nor used in any way as to lead to misrepresentation of the results or their implications. Where the information is an early indication of the results of experimental work or of research and analysis it should not be used in advance of the full report. Where such information is to be the subject of discussion (in the report) which may lead to recommended values, guidance, limitations on its use or other caveats CERAM accepts no liability for its use in advance of the full and qualified report.