{"id":378202,"date":"2025-11-28T14:57:36","date_gmt":"2025-11-28T13:57:36","guid":{"rendered":"https:\/\/hunterlab.de\/glossar\/cie-standard-color-matching-system-and-cie-standard-color-chart\/"},"modified":"2025-12-01T11:07:13","modified_gmt":"2025-12-01T10:07:13","slug":"cie-standard-color-matching-system-and-cie-standard-color-chart","status":"publish","type":"glossary","link":"https:\/\/www.hunterlab.eu\/en\/glossar\/cie-standard-colour-matching-system-and-cie-standard-colour-chart\/","title":{"rendered":"CIE Standard Colour Matching System and CIE Standard Colour Chart"},"content":{"rendered":"<p>The Tristimulus values can be normalized into the so-called standard color components or standard chromaticity values, x and y, as follows:<br \/>\nx = X \/ (X + Y + Z) ; y = Y \/ (X + Y + Z); (z = Z \/ (X + Y + Z))<br \/>\nSince x + y + z = 1, z does not need to be explicitly calculated, because it is given by: z = 1 &#8211; x &#8211; y.<\/p>\n<p>These values are usually represented in the CIE Standard Color Chart in the x-y plane, which is also referred to as the &#8220;shoe sole.&#8221;<br \/>\nA specific color value is uniquely defined by the values Yxy, with the addition of the brightness Y.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-378199\" src=\"https:\/\/hunterlab.co.uk\/wp-content\/uploads\/2025\/11\/CIE-Normfarbtafel-1.png\" alt=\"\" width=\"414\" height=\"410\" srcset=\"https:\/\/www.hunterlab.eu\/wp-content\/uploads\/2025\/11\/CIE-Normfarbtafel-1.png 414w, https:\/\/www.hunterlab.eu\/wp-content\/uploads\/2025\/11\/CIE-Normfarbtafel-1-100x100.png 100w, https:\/\/www.hunterlab.eu\/wp-content\/uploads\/2025\/11\/CIE-Normfarbtafel-1-300x297.png 300w, https:\/\/www.hunterlab.eu\/wp-content\/uploads\/2025\/11\/CIE-Normfarbtafel-1-150x150.png 150w\" sizes=\"(max-width: 414px) 100vw, 414px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Tristimulus values can be normalized into the so-called standard color components or standard chromaticity values, x and y, as follows: x = X \/ (X + Y + Z) ; y = Y \/ (X + Y + Z); (z = Z \/ (X + Y + Z)) Since x + y + z [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"glossary-categories":[1352],"glossary-tags":[],"glossary-languages":[],"class_list":["post-378202","glossary","type-glossary","status-publish","hentry","glossary-categories-colorimetry"],"post_title":"CIE Standard Colour Matching System and CIE Standard Colour Chart","post_content":"The Tristimulus values can be normalized into the so-called standard color components or standard chromaticity values, x and y, as follows:\r\nx = X \/ (X + Y + Z) ; y = Y \/ (X + Y + Z); (z = Z \/ (X + Y + Z))\r\nSince x + y + z = 1, z does not need to be explicitly calculated, because it is given by: z = 1 - x - y.\r\n\r\nThese values are usually represented in the CIE Standard Color Chart in the x-y plane, which is also referred to as the \"shoe sole.\"\r\nA specific color value is uniquely defined by the values Yxy, with the addition of the brightness Y.\r\n\r\n<img class=\"alignnone size-full wp-image-378199\" src=\"https:\/\/hunterlab.co.uk\/wp-content\/uploads\/2025\/11\/CIE-Normfarbtafel-1.png\" alt=\"\" width=\"414\" height=\"410\" \/>","_links":{"self":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary\/378202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary\/378202\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/media?parent=378202"}],"wp:term":[{"taxonomy":"glossary-categories","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary-categories?post=378202"},{"taxonomy":"glossary-tags","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary-tags?post=378202"},{"taxonomy":"glossary-languages","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary-languages?post=378202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}