ISO/CIE INTERNATIONAL STANDARD 11664-5 First edition 2016-09-01 Colorimetry - Part 5: CIE 1976 L*u*v* colour space and u', v uniform chromaticity scale diagram Colorimétrie- Partie 5:Espace chromatique L*u*y*et diagrammede chromaticite uniformeu,v'CIE1976 Reference number IS0/CIE11664-5:2016(E) cie ISO @IS0/CIE2016 IS0/CIE11664-5:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0/CIE2016,Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior writtenpermission.PermissioncanberequestedfromeitherIsoattheaddressbeloworIso'smemberbodyinthecountryof the requester. ISO copyrightoffice CIE Central Bureau Ch.deBlandonnet 8·CP401 Babenbergerstrafse9/9A CH-1214Vernier, Geneva,Switzerland A-1010 Vienna,Austria Tel.+41227490111 Tel.+4317143187 Fax+4122749 0947 [email protected] [email protected] www.iso.org www.cie.co.at i IS0/cIE2016-Allrightsreserved IS0/CIE11664-5:2016(E) Contents Page Foreword iv Introduction. 7. 1 Scope. 1 2 Normativereferences .1 3 Terms, definitions, symbols and abbreviated terms. 1 3.1 Terms and definitions 1 3.2 Symbols and abbreviated terms. 2 4 Calculation method 2 4.1 Uniform chromaticity scale diagram (UcS diagram) .2 4.2 Uniformcolourspace. .3 4.3 Correlates of lightness, saturation, chroma and hue 4 4.4 Colourdifferences 5 Annex A (informative) Reversetransformation .7 Bibliography IS0/CIE2016-Allrightsreserved iii